Augurine tool directory
Free Astrology Tools
240 free calculators for natal charts, timing, compatibility, asteroids, lots, harmonics, and traditional technique. No signup, no paywall.
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10 essentialsChart foundations
41 tools
Start with the basic chart, angles, signs, houses, and chart identity tools.
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Birth Chart Calculator
Calculate a natal chart with planet placements, houses, aspects, and chart summary.
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Sun, Moon & Rising Sign Calculator
Calculate your Big Three in astrology. Enter your birth details to find your Sun sign, Moon sign, and Rising sign together with element and modality balance.
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Ascendant (Rising Sign) Calculator
Calculate your Ascendant sign for free. Find your rising sign, Descendant, Midheaven, and all four chart angles.
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House systems and rulers
Chart Ruler Calculator
Find the planet that rules your Ascendant. See your chart ruler's sign, house, dignity, and what it reveals about how you meet the world.House System Comparison Calculator
Compare astrology house systems side by side. See how your planets shift between Placidus, Whole Sign, and Equal House, with cusp-planet callouts where the system you choose actually changes the reading.Whole Sign Chart Calculator
Build your birth chart in whole sign houses, where each house is one complete zodiac sign starting from your rising sign. See every planet in its whole sign house, with chart ruler, sect, and a whole sign vs Placidus comparison.Lord of the Houses Calculator
Find the planet ruling every house in your birth chart. Each lord with sign on the cusp, current placement, and dignity status. Covers your lord of marriage, lord of career, lord of money, and the rest.House Sign Calculator
Find the zodiac sign on each of your 12 house cusps, the planet ruling each house, and which planets fall inside each house. Enter your birth date, time, and place.Derivative Houses Calculator
Turn the chart by base house and topic to find any derived house in your natal chart. Spouse's career, mother's father, sibling's spouse, and every other turned-chart reading with the sign on the cusp and its ruler.
Chart identity and emphasis
Moon Sign Calculator
Calculate your Moon sign from your birth details: sign, degree, house, dignity, and what all 12 moon signs reveal about your emotional nature.Natal Moon Phase Calculator
Find the moon phase you were born under, the illumination at birth, the prenatal New or Full Moon, and what your birth phase means.Venus Sign Calculator
Find your Venus sign, degree, house when birth time is known, dignity, and retrograde status, plus what all 12 Venus signs reveal about how you love.Mars Sign Calculator
Find your Mars sign, degree, house when birth time is known, dignity, retrograde, and out-of-bounds status, plus what all 12 Mars signs reveal about your drive.Mercury Sign Calculator
Find your Mercury sign, degree, house when birth time is known, dignity, and retrograde status, plus a Sun-to-Mercury table and what all 12 Mercury signs reveal about how you think.Jupiter Sign Calculator
Find your Jupiter sign, degree, house when birth time is known, dignity, and retrograde status, plus what all 12 Jupiter signs reveal about how you grow.Saturn Sign Calculator
Find your Saturn sign, degree, house when birth time is known, dignity, and retrograde status, plus what all 12 Saturn signs and houses reveal about where you earn authority.North and South Node Calculator
Find your North Node and South Node sign, degree, house, and ruler. Compare the ephemeris-backed true node with the standard mean node.South Node Calculator
Find your South Node sign, degree, house, and ruler, with the North Node it pairs with. Compare the ephemeris-backed true node with the standard mean node.Dominant Planet Calculator
Find the strongest planet in your birth chart with the classical Almuten Figuris and a six-line transparent scoring breakdown.Dominant Sign Calculator
Find your dominant sign across four complementary methods with consensus highlighting. Includes element and modality balance.Zodiac Element Calculator
Find your fire, earth, air, and water balance across the whole chart, with dominant element, modality, quality, and the triplicity lords of your strongest element.Dominant House Calculator
Rank all twelve houses by planet weight, sect, dignity, and angularity. Returns the busiest and emptiest house with a topical reading.Angular Triad Calculator
Sort every planet in your chart into angular, succedent, and cadent triads. See your loudest triad, the four-angle Hellenistic breakdown, and a sect-light callout.Chart Shape Calculator
Find your birth chart shape from the seven Jones patterns, the planet running it, and your hemisphere and quadrant emphasis.
Variant zodiacs and degrees
Sidereal Birth Chart Calculator
Generate a Lahiri sidereal natal chart for Vedic and Jyotish study. See where your Sun, Moon, rising, and planets fall in the older star-referenced zodiac.True Sidereal Astrology Calculator
Recast your birth chart into the 13 true sidereal constellation signs, including Ophiuchus, at their real unequal widths. Uses the IAU constellations, distinct from the Vedic equal-sign sidereal chart.Tropical vs Sidereal Calculator
Compare your tropical and sidereal birth chart side by side. Toggle between five ayanamsas (Lahiri, Fagan-Bradley, KP, Raman, Yukteswar) and see which placements shift signs.Nakshatra Calculator
Find your janma nakshatra (birth star), pada, and ruling planet from your sidereal Moon, plus the Vimshottari dasha you were born into. Lahiri ayanamsa.Gene Keys Calculator
Calculate your free Gene Keys hologenetic profile from your birth data. Read all 11 spheres across the Activation, Venus, and Pearl sequences, with the Shadow, Gift, and Siddhi of every gate.Ophiuchus Calculator
Scan your full birth chart for Ophiuchus constellation-zone placements, with body-specific interpretations and a clear tropical zodiac caveat.Babylonian Zodiac Calculator
Look up an approximate Babylonian-style zodiac sign, its cuneiform name, and a MUL.APIN reference layer for your birth date.Degree Theory Calculator
Analyze your natal chart through degree theory — see which zodiac energy each planet's degree carries, flag critical and anaretic degrees, and explore planet-by-degree interpretations.Anaretic Degree Calculator
Find every planet, angle, and point at the anaretic degree (29°) in your birth chart, with a per-body reading of what the final degree means.Decan Calculator
Find the Chaldean decan ruler and planetary face for every placement in your chart, or look up any sign and degree on the Find by Degree tab. Includes own-decan dignity flags, dominant-ruler analysis, tarot Minor Arcana mapping, and the full 36-decan reference.Monomoiria Calculator
Find the monomoiria, the Hellenistic degree lord, for every placement in your chart, or look up any single degree. Sign-based Chaldean table with own-degree flags and a per-planet guide.
Other chart anchors
Midheaven Sign Calculator
Find your Midheaven sign and degree, your MC ruler with full natal placement, and any planets aspecting the angle. Free MC calculator with whole-sign and quadrant house support.Imum Coeli (IC) Calculator
Find your Imum Coeli sign and degree, your IC ruler with full natal placement, and any planets aspecting the angle. Free IC calculator with the ancestral, private, and 4th house reading no other IC tool delivers.Vertex Calculator
Calculate your Vertex and Anti-Vertex signs, degrees, and houses. Discover the point of fated encounters in your birth chart.East Point Calculator
Calculate your East Point (Equatorial Ascendant) sign, degree, and house. Discover your second rising sign and how it compares to your regular Ascendant.Temperament Calculator
Find your Hellenistic humour from your birth chart. Frawley five-point method returns sanguine, choleric, melancholic, or phlegmatic with the full hot/cold/wet/dry tally.Birth Time Rectification Calculator
Estimate an unknown or uncertain birth time from dated life events using multiple timing checks and evidence-scored candidates.
Traditional technique
28 tools
Hellenistic condition, dignity, rulership, and advanced natal doctrine.
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Essential Dignity Calculator
Calculate dignity scores for the seven traditional planets with domicile, exaltation, detriment, fall, triplicity, bounds, face, and speed.
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Hellenistic Astrology Calculator
Get a classical overview of sect, essential dignities, lots, chart ruler, almuten figuris, and hyleg, with whole sign houses and detailed tools for each layer.
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Condition and dignity
Sect Calculator
Determine your chart's sect (day or night), find your sect light, and discover which planets are your greatest benefic and greatest challenge.Benefic & Malefic Planets Calculator
Rank Jupiter, Venus, Saturn, and Mars by benefic and malefic role, with sect, Mercury, and luminary context.Planetary Joys Calculator
Free Hellenistic planetary joys calculator. See which of your seven traditional planets sit in their houses of joy (Sun-9, Moon-3, Mercury-1, Venus-5, Mars-6, Jupiter-11, Saturn-12). Sect-aware, with traditional house topics.Bonification & Maltreatment Calculator
Score the seven traditional planets for bonification, maltreatment, and counteraction with a visible sect-aware testimony breakdown.Doryphory (Spear-Bearer) Calculator
Find the planets escorting your Sun and Moon. Spear-bearers ranked by sect, solar phase, the form of the guard, dignity over the luminary, and angularity.Witnessing (Testimony) Calculator
See which planets bear witness to each placement, the Ascendant, and the Lot of Fortune, sorted by configuration, nature, sect, and side, with a bonification or maltreatment verdict per point.Hayz & Halb Calculator
Judge each traditional planet by the three conditions of hayz: sect, hemisphere (halb), and sign gender. See which planets reach their full sect domain and which run contrary.Besieged Planet Calculator
Detect besieged and enclosed planets in your natal chart. Sign-based and conservative in-sign traditional rules, sect-aware severity, intervening-ray release, every traditional planet checked.Combust Planets Calculator
Find which planets in your birth chart are combust, weakened by the Sun. Per-planet orbs from Hellenistic and Vedic sources, retrograde-aware, with cazimi and under-the-beams classification.Detriment Calculator
Find which of your planets are in detriment, the sign opposite their rulership, with a reading for each exile placement and what strengthens it.
Rulership extensions
Triplicity Ruler Calculator
Find your triplicity rulers across Dorothean, Ptolemaic, and Lilly traditions. See your day, night, and participating lords mapped to the two parts of life.Mutual Reception Calculator
Find every mutual reception in your birth chart across domicile, exaltation, triplicity, bound, and face. Mixed reception flags and aspect modifier per pair.Aversion Calculator
Find sign-based aversions among the seven traditional planets, your Ascendant, and domicile lords in a whole-sign Hellenistic chart.Final Dispositor Calculator
Walk the rulership chain for every planet, under traditional or modern rulerships. Find the sole or final dispositor, map the dispositor tree, and identify mutual reception loops, from your birth chart or from placements you enter directly.Twelve Places Calculator (Hellenistic)
Map every natal planet to its Hellenistic place: Hour Marker, Gate of Hades, Goddess, Bad Fortune, Good Fortune, Idle, Setting, God, Praxis, Good Spirit, Bad Spirit. Whole-sign places, planetary joys, and a fragmentary eight-place octatropos overlay.
Length of days and life nativity
Hyleg Calculator
Find the traditional vitality point selected from Sun, Moon, Ascendant, Lot of Fortune, and prenatal syzygy, with visible house and dignity rules.Alcocoden Calculator
Find the planet linked to your hyleg's degree and compare traditional planetary-year bands with modern safety framing.Planetary Years Calculator
Look up the lesser, mean, greater, and greatest years of the seven traditional planets and project them from your birth date to dated landmark ages keyed to your chart ruler.Master of the Nativity Calculator (Oikodespotes)
Find your oikodespotes, the planet that sets your chart's overall agenda. Predominator, master, joint master, and lord from the Porphyry and Antiochus tradition, with the almuten figuris surfaced for comparison.Almuten Figuris Calculator
Compare the seven visible planets by traditional dignity scoring across key significators, with day-ruler, hour-ruler, and house bonuses.
Specialized derivations
Antiscia & Contra-Antiscia Calculator
Find your natal antiscia and contra-antiscia points across the cardinal solstice and equinox axes. Every body, both reflections, with traditional 1° orbs.Prenatal Syzygy Calculator
Find your prenatal syzygy, the New Moon or Full Moon before your birth. See its phase, sign, house, and ruler with traditional context.Prenatal Eclipse Calculator
Find the solar or lunar eclipse before your birth, with its sign, degree, house, lunar node, and Saros family. Read your prenatal eclipse point.Egyptian Bounds Calculator
Find the Egyptian bound ruling each planet in your chart. Bound rulers for every body plus Ascendant and Midheaven, with own-bound flags and the full 60-segment reference.Twelfth-Parts Calculator (Dodekatemoria)
Find the Hellenistic dodekatemoria of every planet in your chart. Twelfth-part sign, degree, and ruler for each placement, with element-shift detection and cluster analysis.Zodiac Man Calculator (Hellenistic Melothesia)
Map your natal chart onto the twelve body regions of Hellenistic melothesia. Sign-to-body rulerships from Manilius and Ptolemy, planetary rulers, lunar timing, and the optional Lot of Injury.
Sky cycles and visibility
16 tools
Current sky, lunar timing, planetary phases, visibility, and synodic cycles.
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Ephemeris
A free daily ephemeris: positions of the Sun, Moon, and planets through the zodiac for any year, with sign ingresses, retrogrades, lunations, and eclipses. Tropical and sidereal.
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Moon Phase Today
See today's moon phase, illumination, sign, and lunar guidance.
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Venus Synodic Cycle Visualizer
Trace Venus through her 584-day cycle and 8-year pentagram. Find your natal star point, current phase, and lifetime synodic returns.
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Void of Course Moon Calendar
Check if the Moon is void of course right now and see upcoming VOC dates, times, and durations.Lunar Mansion Calculator
Find your natal Moon's Arabic manzil and today's lunar station across the 28 mansions, with the determinant star, ruling angel, electional guidance, and talismanic lore.Retrograde Tracker
Check which planets are currently retrograde with shadow period guidance.Planetary Hours Calculator
See the current planetary hour for your location and browse the full day table. Free, location-aware, and updated in real time.Cazimi Calculator
Find which supported planets in your birth chart are cazimi, in the heart of the Sun, or under the beams. See upcoming cazimi dates per planet.Oriental & Occidental Planets Calculator
Find whether Mercury, Venus, Mars, Jupiter, and Saturn are oriental or occidental in your chart, with each planet's sect, gender phase, and dignity.Venus Star Point Calculator
Find your Venus Star Point in seconds. Returns your VSP sign, degree, and meaning, plotted live on the 8-year Venus pentagram.Venus Synodic Return Calculator
Calculate your Venus synodic returns from birth through age 80. Free tool shows dates and ages for your 1st through 8th Venus synodic return.Venus Phase Calculator
Find which of the eight phases of the Venus synodic cycle you were born in: New Venus, Morning Star, Full Venus, or Evening Star.Venus Morning/Evening Star Calculator (Phosphorus or Hesperus)
Was your Venus a morning star (Phosphorus) or evening star (Hesperus) at birth? Hellenistic reading plus the elongation and the days from the nearest Sun-Venus conjunction.Mercury Morning/Evening Star Calculator (Sect + Phase)
Was your Mercury a morning star or evening star at birth? Hellenistic sect verdict plus the four faces of Mercury (Rudhyar / Meyer).Saros Cycle Calculator
Look up an eclipse's NASA Saros number and explore the 40 named solar-eclipse families used in Brady-style astrology.Heliacal Rising Star Calculator
Calculate your heliacal rising star and phase planets near birth, including Sirius, royal stars, observer-location visibility, and Hellenistic phasis timing.
Relationships
16 tools
Compatibility, synastry, relationship charts, and partnership points.
Descendant Sign Calculator
Find your Descendant sign and discover what you seek in partnerships, relationships, and one-on-one dynamics.Marriage Timing Calculator
Find the years your birth chart activates partnership, using Hellenistic profections, the Lot of Marriage, and your 7th-house ruler.Karmic Synastry Calculator
Free karmic synastry calculator with disclosed receipts. Scores nodal, Saturn, Chiron, Vertex, Lot of Eros, and 8th and 12th house overlay contacts between two charts. Sect-aware Saturn weighting.Soulmate Synastry Calculator
Free soulmate synastry calculator that scores the chemistry signatures soulmate recognition tends to coincide with: Venus and Mars contacts, Juno, the Hellenistic Lot of Eros, Vertex, and sign-axis mirrors.Composite Chart Calculator
Calculate the composite midpoint chart for any relationship and read it as a shared symbolic pattern.Davison Chart Calculator
Calculate the Davison relationship chart from the midpoint in time and space between two births.Coalescent Chart Calculator
Blend two birth charts into Grinnell's coalescent chart, where each body carries its own harmonic and the closest shared placements run hot.Twin Flame Calculator
Check for twin flame indicators in your synastry, including North Node contacts, Pluto aspects, Vertex connections, and more.House Overlays Synastry Calculator
Free bidirectional house overlays synastry calculator. See exactly which of your partner's houses each of your planets activates, and which of theirs land in yours, with house emphasis tally and Whole Sign or Placidus support.Draconic Synastry Calculator
Free draconic synastry calculator. Rotates both birth charts to the Mean North Node, then compares them across three contact layers with the exact orb on every row.Synastry Aspect Grid Calculator
Free synastry aspect grid calculator. Builds the planet-by-planet inter-aspect matrix between two charts with the exact orb, harmonious or challenging tone, and applying or separating shown where chart speeds resolve it. No compatibility score.Declination Synastry Calculator
Find every parallel and contraparallel of declination between two birth charts. The conjunction-like and opposition-like contacts on the north-south axis, each with its exact orb.Moon Phase Compatibility
Compare two birth dates to see if your moon phases form a full moon. Twin flame, soulmate, complementary, or contrasting verdict.Sun Moon Midpoint Calculator
Find your Sun/Moon midpoint (the lunation point or inner marriage) by degree, sign, and house. Includes synastry context and conservative cosmobiology orbs.Eros + Psyche Calculator
Calculate asteroid Eros and Psyche signs together with symbolic passion and soul-bonding prompts.
Timing and forecasting
33 tools
Forecast charts, returns, time lords, electional timing, and directions.
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Profection Year Calculator
Calculate your annual profection house, monthly profection timeline, and 12-year cycle. Add your rising sign to reveal the lord of the year.
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Free Solar Return Chart Calculator With Reading
Calculate your free solar return chart by year. See the return Ascendant, angular planets, house emphasis, and SR-to-natal aspects.
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Electional Astrology Calculator
Compare date ranges for weddings, business launches, travel, and other plans using traditional electional astrology factors.
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Transit Chart Calculator
See the planets transiting your natal chart right now or on any date, with exact aspects, applying and separating phases, and the dates they perfect.
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Planetary Ingress Calendar
Every date a planet changes zodiac sign in a given year, grouped by planet with retrograde re-entries marked. Find exact ingress dates for the Sun through Pluto.
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Time lords and periods
Time Lord Calculator
Find your active time lords across annual profections, zodiacal releasing, and firdaria. See which planet rules this period now and where the systems converge.Zodiacal Releasing Calculator
Calculate your zodiacal releasing periods, released from the Lot of Spirit with peak periods marked from the Lot of Fortune. See your current life chapter (L1), phase (L2), peak periods, and loosing of the bond turning points.Firdaria Calculator
Calculate your current firdaria period: the planetary era, planetary sub-period when applicable, and transition dates.Decennials Calculator
Calculate your decennial periods and sub-periods: the planet ruling each 10 year 9 month chapter, the sub-period inside it, and exact transition dates.Distribution Through the Bounds Calculator
Direct your Ascendant and the other releasers through the Egyptian bounds. Find the Distributor and Partner time lords for every period of life, with ages and calendar years.Career Peak Period Calculator
Free career peak period calculator using Spirit-based Zodiacal Releasing. See your current career chapter, peak status, and next professional timing window.Peak Period Calculator
Free peak period calculator using zodiacal releasing. See whether you are in a major, moderate, or minor peak right now, with the angular logic from your Lot of Fortune shown.Major Peak Period Calculator
Free major peak period calculator. Detects whether your active L1 or L2 sits in the sign of your Lot (1st from Lot) or the 10th from it: the strongest tier in zodiacal releasing.Moderate Peak Period Calculator
Free moderate peak period calculator. Detects whether your active L1 or L2 sits 7th from your Lot of Fortune: the opposition tier in zodiacal releasing, with the 12-sign signature read.Minor Peak Period Calculator
Free minor peak period calculator. Detects whether your active L1 or L2 sits 4th from your Lot of Fortune: the foundation tier in zodiacal releasing.
Returns
Planetary Returns Calculator
See your next lunar, solar, Venus, Mars, Jupiter, Saturn, Chiron, and Uranus returns from your birth chart. Clustered return windows and exact dates.Life Map Calculator
See your three major rites of passage (Saturn return, Uranus opposition, nodal return) plus your current life era and the next threshold ahead, from your birth date.Saturn Return Calculator
Calculate date-level Saturn return, square, and opposition events from early life through roughly age 100.Chiron Return Calculator
Calculate your Chiron return with sign-specific timing, three exact contact dates, and where you are in the 50-year cycle right now.Nodal Return Calculator
Find your nodal returns at ages 18.5, 37, 56, and 74, plus the reverse nodal return (opposition) at the nine-year midpoints. Free calculator using the standard analytic mean-node formula.Lunar Return Calculator
Calculate your next lunar return dates and charts. See when the Moon returns to your natal position each month.Jupiter Return Calculator
Find your exact Jupiter return dates (ages 12, 24, 36, 48 and beyond) with sign, house, and retrograde triple-pass detection. Free calculator using NASA-grade ephemeris.Uranus Return Calculator
Calculate your complete Uranus cycle timeline with opposition, squares, and return dates. See the midlife awakening transit and every major Uranus aspect from birth through age 100.Mars Return Calculator
Find the exact date of your next Mars return and read the chart for the next two-year cycle. Triple-pass retrograde detection, sect-aware reading, and profection cross-reference.Venus Return Calculator
Find the exact dates of your next Venus returns. Triple-return retrograde detection, natal Venus context, and synodic phase tags.
Directions and progressions
Progressed Moon Calculator
Calculate your progressed Moon sign, lunation phase, and timeline of emotional seasons across your life.Secondary Progressed Chart Calculator
Calculate your full secondary progressed chart: progressed Sun, Moon, planets, lunation phase, progressed-to-natal aspects, and sign change dates.Primary Directions Calculator
Map life-event windows with classical primary directions. Naibod key, Ptolemaic aspects to all four chart angles, full chronological timeline from age 0.5 to 95.Solar Arc Directions Calculator
Direct every planet and angle by the true solar arc for any date. See natal and directed positions side by side, plus hard-aspect contacts with orbs and perfection dates.Progressed Ascendant Calculator
Calculate your secondary progressed Ascendant, progressed Midheaven, angle method receipt, and next rising sign change estimate.Age Harmonic Calculator
Calculate your age harmonic chart to see which natal patterns are activated this year. A personal year forecast through harmonics.
Electional and age timing
Life-Stage Transits Calculator
Every major astrological transit hitting your chart across your 20s, 30s, 40s, 50s, and beyond. Exact dates from your birth chart.Eclipses in Your Chart
See which solar and lunar eclipses land on your natal chart: the house each activates, the planets it touches by degree, and the months it stays live.
Pattern work and harmonics
26 tools
Aspect patterns, harmonic charts, Uranian tools, and derived chart layers.
Harmonic and derived charts
Harmonic Chart Calculator for Astrology
Calculate a harmonic chart for astrology. Choose H5, H7, H9, or any number 2-180, then inspect conjunction clusters, source aspects, and harmonic positions.9th Harmonic Chart Calculator
Calculate your 9th harmonic (novile) chart to inspect joy, integration, meaning, and relationship symbolism in Western tropical astrology.Draconic Chart Calculator
Calculate a draconic chart by rotating natal positions so the Mean North Node is at 0 Aries, then compare draconic Sun, Moon, planets, and angles.Persona Chart Calculator
Cast a full persona chart for any planet from the Sun to Pluto, the moment the Sun first reached its degree, and read it as its own nativity.
Uranian tools
90-Degree Dial
The visual Uranian view. Plot your natal chart on the 90-degree dial to spot midpoint clusters, hard-aspect families, and standout factors at a glance.Planetary Picture Scanner
Scan natal and progressed midpoint pictures for any exact date and hour. Compare progressed factors with natal midpoint structures, decode A/B = C equations, and scan the target day hour by hour.Uranian Ephemeris
See the Trans-Neptunian points and their midpoints for any date, past or future. A date-driven 90-degree dial and planetary picture scan, stepped one day at a time, no birth data needed.
Aspect mechanics
Applying vs Separating Aspects Calculator
Label every aspect in your chart applying or separating, with live orb readouts and a partile (within 3°) filter. Faster body does the applying.Partile Aspects Calculator
Find the partile aspects in your natal chart, exact within 1° of true geometry. Toggle Lilly's traditional same-degree-of-sign rule and see the tightest contact by arc-minute.Overcoming Aspects Calculator (Kathuperteresis)
For every aspect in your chart, see which planet sits in the superior position by the Hellenistic 10th-sign rule. Epidekateia detection, sect modifier, and per-pair traditional reads.Minor Aspects Calculator
Scan your natal chart for the six harmonic-family minor aspects most birth chart tools skip: septile, novile, decile, undecile, vigintile, and biquintile. Detects Septile Triangle, Novile Triangle, and bi-novile chain patterns with harmonic family labels on every contact.Quintile Calculator
Find the 72° quintile and 144° biquintile aspects in your birth chart. Configurable orb (1°, 2°, 3°), applying or separating, partile flag, planet-pair interpretations, Grand Quintile detection.Quindecile Calculator
Find every 165° quindecile in your birth chart, the obsession aspect Noel Tyl identified and Ricki Reeves named the cause célèbre of the chart. Configurable orb (1°, 2°, 2.5°), applying or separating, partile flag, planet-pair interpretations.Semi-Sextile Calculator
Find every 30° semi-sextile in your birth chart. Configurable orb (1°, 2°, 3°), applying or separating direction, partile flag, in-sign vs out-of-sign classification, planet-pair interpretations.
Geometric patterns
Stellium Calculator
Free stellium calculator. Find sign and house stelliums in your birth chart, compare the 3-body and 4-body rules, and see which bodies form the cluster.Yod Calculator
Find out if your birth chart has a Yod (Finger of God) pattern. Free calculator with apex body and sign interpretation.Golden Yod Calculator
Free Golden Yod calculator. Detect the quintile-biquintile configuration in your chart and read the apex body.Grand Trine Calculator
Free Grand Trine calculator. See if your chart contains a closed trine circuit and whether it is pure-element or mixed.Grand Cross Calculator
Free Grand Cross calculator. Detect cardinal, fixed, or mutable Grand Crosses in your chart and read the four-point pattern.Kite Calculator
Free Kite calculator. Detects the Grand Trine plus opposing focal planet that turns easy talent into directed output.Mystic Rectangle Calculator
Free Mystic Rectangle calculator. Find the two-opposition / two-trine / two-sextile configuration that blends tension with support.T-Square Calculator
Free T-Square calculator. See if your chart carries the opposition-plus-apex pattern and which body or point is the apex.Thor's Hammer Calculator
Free Thor's Hammer (God's Fist) calculator. Detects the square-plus-two-sesquisquares pattern and names the apex planet that absorbs and discharges the pressure.Minor Grand Trine Calculator
Free Minor Grand Trine calculator. Detects the one-trine, two-sextile Small Talent Triangle and names the apex planet where the sextiles meet.Multiple Planet Square Calculator
Find the planets in your chart that take simultaneous square pressure from two or more others. Configurable orb (4°, 6°, 8°), T-square overlap detection, modality breakdown of the squaring set.
Arabic lots
28 tools
Fortune, Spirit, and the specialized lots that add context to chart topics.
Foundation lots
Part of Fortune Calculator
Calculate your Part of Fortune (Lot of Fortune) to find where luck, material well-being, and bodily circumstances play out in your chart.Lot of Spirit Calculator
Calculate your Lot of Spirit to examine where willpower, purpose, and deliberate choice are emphasized in your chart.Lot of Basis Calculator
Calculate your Lot of Basis (Lot of Foundation), the point built from the shortest arc between Fortune and Spirit that grounds the body and the life.Lot Activation Map
See your four principal lots as a coherent system. Find which lot is most active right now and what chapter each one is in.
Topic-specific lots
Lot of Eros Calculator
Calculate your Lot of Eros using the Paulus/Olympiodorus Hermetic formula. See your sign, house, and what desire keeps reaching for in your chart.Lot of Nemesis Calculator
Calculate your Lot of Nemesis to examine Saturn-keyed difficulty, concealment, loss, and limit themes in your chart.Lot of Victory Calculator
Calculate your Lot of Victory to examine achievement, confidence, and favorable-outcome themes in your chart.Lot of Necessity Calculator
Calculate your Lot of Necessity to examine duty, constraint, agreements, and binding circumstances in your chart.Lot of Courage Calculator
Calculate your Lot of Courage to examine courage, initiative, conflict, and fortitude themes in your chart.Lot of Marriage Calculator
Free Lot of Marriage calculator with sign and house interpretations, showing both Venus to Saturn and Saturn to Venus traditions.Lot of Children Calculator
Calculate the Hellenistic Lot of Children from your birth chart. Default Dorothean (Paulus) unreversed formula, with optional medieval sect-reversed variant. Sign, house, and ruler interpretations included.Lot of Father Calculator
Calculate the traditional Lot of Father from your birth chart. Sun to Saturn projection with the Saturn under beams Mars to Jupiter fallback, plus sign and house interpretations.Lot of Mother Calculator
Calculate the traditional Lot of Mother from your birth chart. Venus to Moon projection with sect reversal, plus sign and house interpretations.Lot of Siblings Calculator
Calculate the traditional Lot of Siblings from your birth chart. Valens and Firmicus Jupiter-Saturn projection with sect reversal, plus sign and house interpretations.Lot of Exaltation Calculator
Free Lot of Exaltation calculator using the fixed Sun/Moon exaltation-degree formula.Lot of Fame Calculator
Free Lot of Fame (Part of Fame) calculator. Built from Jupiter and the Sun to read public renown and reputation, distinct from the Lot of Exaltation.Lot of Death Calculator
Free Lot of Death (Part of Death) calculator. The traditional Ascendant, 8th house cusp, and Moon lot, read as eighth-place endings and transformation, never a lifespan.Lot of Manifestation Calculator
Free Lot of Manifestation calculator. Read the traditional Lot of Spirit through a modern intention and agency lens.Lot of Assets Calculator
Free Lot of Assets calculator. Read the Part of Fortune through resources, livelihood, possessions, and financial themes.Lot of Substance Calculator
Calculate your Lot of Substance (Firmicus' lot of material livelihood), built from Jupiter and Mercury to show how you acquire and hold resource.Lot of Wealth Calculator
Free Lot of Wealth (Part of Wealth) calculator. The second-house lot of property and material standing, built from the ruler of your 2nd house.Lot of Travel Calculator
Free Lot of Travel (Lot of Foreign Lands) calculator. The Hellenistic lot of journeys and foreign places, built from the Ascendant, Mars, and Saturn.Lot of Action Calculator
Free Lot of Action (Part of Action) calculator. The Hellenistic lot of vocation, built from the Ascendant, Mars, and Mercury to read your work and craft.Lot of Friends Calculator
Free Lot of Friends (Part of Friends) calculator. The Hellenistic lot of friendship and alliance, built from the Ascendant, Mercury, and the Moon.Lot of Enemies Calculator
Free Lot of Enemies (Part of Enemies) calculator. The Hellenistic lot of adversaries and open opposition, built from the Ascendant, Mars, and Saturn.Lot of Hope Calculator
Free Lot of Hope (Part of Hope) calculator. The Hellenistic lot of hopes, wishes, and expectation, built from the Ascendant, Venus, and Saturn.Lot of Religion Calculator
Free Lot of Religion (Lot of Piety) calculator. The Hellenistic ninth-house lot of devotion, faith, and belief, built from the Ascendant, Mercury, and the Moon.
Asteroids, centaurs, and outer bodies
36 tools
Asteroids, centaurs, dwarf planets, TNOs, and named points, with focused hubs for the outer-body clusters and single-body deep reads.
Personal and shadow points
Free Lilith Sign Calculator
Find your Black Moon Lilith sign, house, and degree with Mean and Sidereal variants. Birth time and location improve the house result.White Moon Selena Calculator
Find your White Moon Selena sign and house. Mean and Sidereal variants are live; True and h56 are documented as reference only.Chiron Sign Calculator
Find your Chiron sign, house, degree, and retrograde status. See your wounded healer placement in tropical and sidereal frames, with its natal aspects.
Cluster hubs
Dwarf Planet & TNO Calculator
Calculate the nine outer dwarf planets and TNOs in your natal chart: Eris, Sedna, Haumea, Makemake, Quaoar, Varuna, Orcus, Ixion, and Gonggong, with accurate IAU classification.Centaur Calculator
Calculate the four centaurs in your natal chart: Chiron, Nessus, Pholus, and Chariklo. Free sign and house placements with the centaur family read side by side.
Goddess asteroids
Vesta Calculator
Calculate your Vesta sign and house with symbolic focus, devotion, and protected-attention prompts.Pallas Calculator
Calculate your Pallas sign and house with symbolic strategy, pattern-recognition, and craft prompts.Juno Calculator
Calculate asteroid Juno by sign and house with symbolic committed-partnership prompts.Ceres Calculator
Calculate your Ceres sign and house with symbolic care, nourishment, and loss-and-return prompts.Eros Calculator
Calculate asteroid Eros by sign and house with symbolic desire, passion, and creative-charge prompts.Psyche Calculator
Calculate asteroid Psyche by sign and house with symbolic soul-bonding and intimacy prompts.Aphrodite Calculator
Calculate your Aphrodite asteroid sign and house with symbolic beauty, charm, and aesthetic-presence prompts.Sappho Asteroid (80) Calculator
Calculate asteroid 80 Sappho by sign and house. Read the bonding register that fuses friendship, recognition, and articulation into one continuous bond.
Named asteroids
Amor Asteroid Calculator
Find asteroid 1221 Amor by sign, degree, and house. The tenderness register inside love, the care that surfaces after the attraction has settled.Cupido Asteroid Calculator
Find asteroid 763 Cupido by sign, degree, and house. The first-spark register, the chart layer that names initial attraction.Apollo Calculator
Calculate your Apollo asteroid sign and house with symbolic clarity, visible-skill, and craft prompts.Fama Calculator
Calculate your Fama asteroid sign and house with symbolic reputation, public-story, and name-recognition prompts.Aura Calculator
Calculate your Aura asteroid sign and house with symbolic presence, social-atmosphere, and first-impression prompts.Briede Calculator
Calculate asteroid 19029 Briede with an experimental, lightly framed loyalty prompt by sign and house.Lucifer Asteroid (1930) Calculator
Calculate asteroid 1930 Lucifer with symbolic light-bringer, pride, and independence prompts by sign and house.Hekate Asteroid (100) Calculator
Calculate asteroid 100 Hekate by sign and house. Read as the threshold-keeper in your chart, the part that pauses before a step. Not a verdict, not a malefic.Karma Asteroid (3811) Calculator
Calculate asteroid 3811 Karma by sign and house. Read as a rehearsed pattern of action and consequence located precisely enough to be interrupted, not as a verdict on fate.Hygieia Asteroid (10) Calculator
Calculate asteroid 10 Hygieia by sign and house. Read the preventative wellness pattern, the upstream signal you can catch before a wound goes chronic.
Centaurs
Nessus Asteroid (7066) Calculator
Calculate centaur 7066 Nessus by sign and house. Read as a pattern of cyclical harm and the point at which the pattern becomes interruptible, not as a verdict.Pholus Asteroid (5145) Calculator
Calculate centaur 5145 Pholus by sign and house. Read as the small cause that flips a system, the moment a cork is pulled, not as a prediction of an event.Chariklo Asteroid (10199) Calculator
Calculate centaur 10199 Chariklo by sign and house. Read the holding presence the chart can offer, the steady witness Chiron's wound work actually requires.
Dwarf planets and TNOs
Eris Calculator (136199)
Calculate dwarf planet 136199 Eris by sign, house, and aspects. Read the chart's disruptor of complacency, the part that names the rigged arrangement.Sedna Calculator (90377)
Calculate sednoid 90377 Sedna by sign, house, and aspects. Read the chart's record of betrayal by the guardian, the descent, and the survivor's provision.Haumea Calculator (136108)
Calculate dwarf planet 136108 Haumea by sign, house, and aspects. Read the chart's regenerative ground and the rupture that becomes a coherent family.Makemake Calculator (136472)
Calculate dwarf planet 136472 Makemake by sign, house, and aspects. Read the chart's cyclic provider, the steward whose authority has to be re-earned each season.Quaoar Calculator (50000)
Calculate Kuiper belt object 50000 Quaoar by sign, house, and aspects. Read the chart's founding choreographer, the rhythm-setter who sings the supporting structure of a world into being.Varuna Calculator (20000)
Calculate Kuiper belt object 20000 Varuna by sign, house, and aspects. Read the chart's cosmic order, witnessed contract, and public accountability.Orcus Calculator (90482)
Calculate Plutino 90482 Orcus by sign, house, and aspects. Read the chart's anti-Pluto, the part that carries the private oath and the long solo work done out of sight.Ixion Calculator (28978)
Calculate Plutino 28978 Ixion by sign, house, and aspects. Read the chart's broken sacred contract, the impulse to transgress trust, and the wheel of fire built into the act.Gonggong Calculator (225088)
Calculate scattered-disc TNO 225088 Gonggong by sign, house, and aspects. Read the chart's structural defiance, the flood that breaks the unsustainable pillar, and the slow Nuwa-work of patching the sky afterward.
Location, stars, and declination
16 tools
Location-based astrology, fixed stars, declination, parallels, and out-of-bounds dates.
- Featured
Astrocartography Calculator
Generate your free astrocartography chart and map. See your planetary lines with explanations and notable cities nearby.
Open calculator - Featured
Declination Calculator
See each planet's declination, flag out-of-bounds bodies beyond the Sun's ±23°26' envelope, and detect parallel and contraparallel aspects.
Open calculator
Location
Local Space Calculator
Calculate your local space astrology chart with an interactive compass wheel and world map. See which directions activate each planet.Relocation Chart Calculator
Recalculate your birth chart for any destination city. See how your Ascendant, Midheaven, houses, and angular planets shift when you relocate.
Fixed stars
Fixed Stars Calculator
Discover which fixed stars contact your natal planets and supported chart points.Starseed Calculator
Find your starseed origin from your real birth chart, mapping your Sun, Moon, and rising to the fixed stars of Sirius, the Pleiades, Vega, Arcturus, Orion, Andromeda, and Centaurus.Galactic Center Calculator
Find the Galactic Center, Great Attractor, and Super Galactic Center in your birth chart, with a date-accurate degree, house, and tiered conjunction scan.
Declination and out of bounds
Declination Graph
Plot the declination of the Moon, Mercury, Venus, Mars, and Pluto over any time window. Watch out-of-bounds excursions and parallel crossings.Out of Bounds Calculator
Find every out-of-bounds planet in your birth chart. OOB planets sit past the Sun's ±23°26' declination envelope.Parallel Aspects Calculator
Find every parallel and contraparallel of declination in your birth chart and read them alongside zodiacal aspects.Lunar Standstill Calculator
Every major (±28.7°) and minor (±18.3°) lunar standstill from 1900 to 2100. See the 18.6-year nodal cycle and where your birth sits within it.
Date reference tools
Pluto Out-of-Bounds Dates
Computed Pluto out-of-bounds windows from 1900 to 2100 with peak declination dates for each cycle.Mars Out-of-Bounds Dates
Every Mars out-of-bounds window from 1975 to 2075 with peak declination dates. Mars OOB windows last 3 to 7 weeks each.Venus Out-of-Bounds Dates
Every Venus out-of-bounds window from 1975 to 2075. Venus OOB is rare, roughly once every 18 months, and usually lasts a few weeks.Mercury Out-of-Bounds Dates
Every Mercury out-of-bounds window from 1975 to 2075. Mercury goes OOB roughly once per year for 1 to 2 weeks at a time.Moon Out-of-Bounds Dates
Every Moon out-of-bounds window from 2015 to 2035. The Moon goes OOB monthly during the major-standstill phase of the 18.6-year cycle.
From calculation to daily practice
Sign up and every tool on this page becomes personalized to your chart. Your birth data connects it all: readings that update daily, forecasts that layer multiple techniques, and an Atlas where you carry chart-based practices into real life and track what shifts. Free to start.
Saved birth chartDaily readings on your chartLayered timing forecastsAtlas tracks what shifts
Calculators are a reference for chart review, not a verdict on health, vocation, compatibility, or fixed future events.
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