Free Astrology Tools
Professional-grade astrology calculators powered by Swiss Ephemeris. All tools are completely free and require no sign-up.
New here? Start with the free birth chart calculator.
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58 tools
- PopularFree Natal Chart CalculatorCalculate your complete birth chart with planetary positions, houses, and aspects.Try Tool →
- PopularZodiac Sign FinderFind your zodiac Sun sign instantly by entering your birth date. Includes cusp information.Try Tool →
- PopularMoon Sign CalculatorDiscover your Moon sign and emotional nature with precise astronomical calculations.Try Tool →
- PopularVenus Sign CalculatorCalculate your Venus sign to discover your love language, values, and what you find attractive.Try Tool →
- PopularMars Sign CalculatorFind your Mars sign to understand your drive, passion, and how you take action.Try Tool →
- PopularRising Sign CalculatorFind your rising sign (ascendant) with accurate timezone lookup.Try Tool →
- PopularSaturn Return CalculatorFind when your Saturn return occurs and if you're currently in this transformative period.Try Tool →
- PopularMercury Retrograde TrackerCheck if Mercury is retrograde today and see upcoming retrograde dates.Try Tool →
- PopularEclipse CalendarComplete calendar of upcoming solar and lunar eclipses for 2026-2027 with visibility information.Try Tool →
- PopularNumerology Life Path CalculatorCalculate your Life Path Number and discover your life purpose through numerology.Try Tool →
- PopularChinese Zodiac CalculatorFind your Chinese zodiac animal sign and element from your birth year.Try Tool →
- PopularComposite Chart CalculatorCreate a relationship chart by calculating the midpoint between two people's planets.Try Tool →
- Two Moon signs, no birth timesSee the signs possible across each birthday, compare the overlap, and download a card to send.Try Tool →
- Chart Ruler CalculatorPick your rising sign, or enter an exact birth time, to find the planet that rules your chart and where it sits.Try Tool →
- Empty House CalculatorWith a recorded birth time, see all twelve houses, which planets sit in each, and where to read the empty ones: cusp sign, ruler and the ruler’s house.Try Tool →
- Whole Sign vs PlacidusWith a recorded birth time, see each planet’s Placidus house and Whole Sign house side by side. Signs and angles stay the same; only the house boundaries change.Try Tool →
- Birth Chart Aspects CalculatorWith a recorded birth time, list every conjunction, sextile, square, trine and opposition between your Sun, Moon and planets, with distance from exact and the orb used.Try Tool →
- Grand Trine CalculatorWith a recorded birth time, check whether three of your planets form a grand trine, with all three 120° edges, distance from exact and the orb used.Try Tool →
- Yod CalculatorWith a recorded birth time, find any Yod among your planets: which one is the apex, plus the sextile and both 150° quincunxes, with distance from exact and the orb used.Try Tool →
- T-Square CalculatorWith a recorded birth time, find any T-square among your planets: which one is the apex, plus the opposition and both squares, with distance from exact and the orb used.Try Tool →
- Birth Chart Shape CalculatorWith a recorded birth time, see the arc that holds all ten of your planets, the widest empty stretch of the zodiac and every gap between neighbours. Geometry only, no shape labels.Try Tool →
- Birth Chart ReceiptYour Sun, Moon and five classical planets by sign, plus your Ascendant with a recorded time, printed as a paper-style receipt you can save or share. No birth details on the image.Try Tool →
- Astrocartography CalculatorWith a recorded birth time, map where each planet was rising, setting or on the Midheaven or IC at your birth, then compare two cities by their nearest lines. Symbolic, not relocation advice.Try Tool →
- Transit Chart CalculatorWith a recorded birth time, see which of today’s planets are within 2° of a major aspect to your natal planets, calculated for the moment you ask. A snapshot for reflection, not a forecast.Try Tool →
- Printable Birth Chart PosterYour natal chart wheel as a cream-paper poster: all ten planets, plus houses and Ascendant with a recorded time, as a free PNG to print or keep. No birth details on the image.Try Tool →
- Venus Morning or Evening Star CalculatorWas Venus east or west of the Sun in ecliptic longitude when you were born? Works with a recorded time or by checking every hour of your birth day, and says when the day alone can’t settle it.Try Tool →
- Dominant Planet CalculatorWith a recorded birth time, score all ten of your planets with one published method: angles, houses, home signs, the Ascendant ruler and ties to the Sun and Moon. Every point shown, ties kept.Try Tool →
- Grand Cross CalculatorWith a recorded birth time, check whether four of your planets form a grand cross: two oppositions and four squares, with every connection’s distance from exact and the orb used.Try Tool →
- Birth Chart Modality CalculatorWith a recorded birth time, count how many of your ten planets are in cardinal, fixed and mutable signs, one vote each, with every planet and sign shown.Try Tool →
- Annual Profections CalculatorEnter your age since your last birthday, and your rising sign if you know it, to find this year’s profected house and traditional year ruler.Try Tool →
- Midheaven CalculatorEnter your birth date, exact time and city to find your Midheaven (MC) sign and degree, with the IC opposite it.Try Tool →
- Jupiter Return CalculatorEnter your birth date to estimate the dates of your current or next Jupiter return, with every retrograde pass listed.Try Tool →
- Day or Night Chart CalculatorEnter your birth date, recorded birth time and city to see whether the Sun was above or below the horizon in your chart. Needs a birth time.Try Tool →
- Part of Fortune CalculatorFind your Part of Fortune from a recorded birth time and city, with the day or night formula used and the Ascendant, Sun and Moon behind it.Try Tool →
- Free Birth Chart WidgetFor sites and blogs: embed a free birth chart form. Visitors’ full charts open on Lunara in a new tab.Try Tool →
- Birth Chart Elements CalculatorCount how many of your planets fall in Fire, Earth, Air and Water: the five personal planets or all ten.Try Tool →
- Celebrity Zodiac QuizSix artists, six Sun-sign guesses from their public birthdays. A quick quiz, not a personality test.Try Tool →
- Free Celebrity Quiz WidgetFor sites and blogs: embed the six-artist celebrity zodiac quiz. Free, no account or ads.Try Tool →
- Celebrity Birthday MatchPick a month and day to see which public figures in our catalogue share your birthday. No year or sign-up.Try Tool →
- Halloween Costume by Zodiac SignPick any sign and an effort level for a closet-first outfit plan: three ordinary items, one styling move and a DIY fallback.Try Tool →
- North Node CalculatorEnter your birth date and city, with a time if you know it, to find your North and South Node signs and read your nodal axis.Try Tool →
- Mercury Retrograde 2027All three 2027 Mercury retrogrades with exact UTC times, station degrees, shadow dates and a calendar file you can download.Try Tool →
- 2027 Astrology CalendarEvery 2027 New Moon, Full Moon, Sun sign change and Mercury station with exact UTC times, month by month, plus a printable one-page calendar, .ics file and JSON.Try Tool →
- Pluto Direct 2026The exact moment Pluto turns direct, in UTC and three time zones, plus a quick check of how close it falls to a natal degree you already know.Try Tool →
- Moon Phase TodaySee the current moon phase, illumination percentage, and zodiac sign.Try Tool →
- Birth Chart Symbols Reference SheetEvery planet, sign, angle and major aspect glyph with its English name, plus a printable one-page sheet.Try Tool →
- Chart Night Host KitA free 20-minute plan for three friends to look at their own charts, with an invitation and a printable sheet. Nobody gets labelled.Try Tool →
- A Sky for Lost ThingsA small made-up sky to play with: join stars into a constellation for something you can’t find, then save it as a picture.Try Tool →
- Free Moon WidgetCopy a free image badge that shows today’s Moon sign and phase on your own website or blog.Try Tool →
- Birthday MoonsTwo birthdays, two illustrated Moon phases. Make a free keepsake card, not a soulmate score.Try Tool →
- Void-of-Course Moon TrackerTrack when the Moon is void-of-course - making no major aspects before changing signs.Try Tool →
- Solar Return CalculatorFind when your solar return occurs and discover themes for your year ahead.Try Tool →
- Planetary Hours CalculatorFind which planet rules each hour for magical timing and astrological elections.Try Tool →
- Moon Phases CalendarView all moon phases for any month with timezone-adjusted timings.Try Tool →
- Synastry Chart CalculatorCompare two birth charts to understand relationship compatibility.Try Tool →
- Venus Return CalculatorFind when Venus returns to its natal position for love and values cycles.Try Tool →
- Lunar Return CalculatorTrack your monthly lunar returns for emotional forecasting and planning.Try Tool →
- Chart of the MomentGenerate an astrological chart for any date, time, and location.Try Tool →
Why Choose Lunara's Tools?
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Accurate
Powered by Swiss Ephemeris, the gold standard in astrological calculations used by professionals.
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Timezone-Aware
Automatic timezone detection and DST handling for precise results anywhere in the world.
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Forever Free
No hidden costs, no sign-up required, no credit card needed. Just pure astrology.