Almanac & sky calculators

Free almanac & sky calculators with formulas shown on every page.

• Yarrow Stalk calculatorYarrow probabilities from the Great Treatise, with the 1/16 shown in the result.
• Liuyao Najia calculatorShi/Ying, six kin, six spirits, empty branches.
• Hexagram Lookup calculatorKing Wen 1–64: judgement, lines, nuclear/opposite/reverse.
• Hexagram Relations calculatorKing Wen number → nuclear / opposite / reversed.
• Time Hexagram calculatorYear branch, month, day, hour modulo → hexagram. Plum-blossom time, its own page.
• Cast Compare calculatorSame date and question, two probability streams side by side.
• Daily Horoscope calculatorMoney first, then work and love. Today’s peak and the thing to watch are pulled out — not flattened.
• Birthday Horoscope calculatorBirth date → Sun sign from longitude, then today’s transit copy.
• Today Horoscope Board calculatorSee who leads on money and the overall score, then open a sign for the full copy.
• Weekly Horoscope calculatorSeven days of overall, money, love and work — which day is worth a look.
• Monthly Horoscope calculatorNew moon, full moon and Mercury-Rx windows in the month.
• Tomorrow Horoscope calculatorDefault date is tomorrow. Same transit engine.
• Yearly Horoscope calculatorSample the 15th of each month — which month leads on money and the overall score.
• Nayin calculatorThe 60-jiazi nayin.
• Pengzu calculatorStem taboo + branch taboo.
• Xiu 28 calculatorMoon mansion from longitude.
• Ganzhi Day calculatorThe day pillar. The page for “what’s today’s gan-zhi?”
• Wuxing Day calculatorFive-phase of the day stem.
• Lucky Direction calculatorXi, wealth and fortune directions.
• Hour Luck calculatorJianchu of the hour.
• Liuyao calculatorTaian / Butsumetsu. Japanese rokuyo.
• Sansha calculatorThree-sha of the year.
• Flying Star calculatorAnnual flying stars. Sketch.
• Taishen calculatorTai-shen direction.
• Leap Month calculatorWhether this lunar year has a leap month.
• Dayun calculatorTen-year luck from the month pillar.
• Lucky Day Search calculatorFilter days by Jianchu.
• Shishen calculatorTen gods as its own page.
• Life Path calculatorBirthday numerology: reduce year, month and day.
• Birthday Number calculatorDay of month only.
• Personal Year calculatorMonth + day + this year.
• Personal Month calculatorPersonal year plus month.
• Expression Number calculatorPythagorean letter values.
• Soul Urge calculatorVowels only.
• Wu Ge calculatorYou enter strokes; we compute the five grids. No stolen Kangxi table.
• Kua Number calculatorEast/west life group from the kua number.
• Tarot Draw calculatorSeeded shuffle from the date. No card essays.
• Coin Hexagram calculatorThree coins: primary, relating, judgement, moving lines. Yarrow lives on its own page.
• Digit Reduce calculatorThe reduce-to-one-digit step used everywhere. Its own page.
• Natal Chart calculatorLuminaries through Pluto, node, Lilith, ASC, MC, houses, wheel and aspects.
• Natal Houses calculatorEqual vs whole sign.
• Natal Aspects calculatorConjunction through opposition.
• Synastry Chart calculatorInter-aspects between two charts.
• Composite Chart calculatorShort-arc midpoints.
• Davison Chart calculatorNatal of the midpoint datetime.
• Transit Chart calculatorToday’s planets to your natal.
• Solar Return calculatorWhen the Sun returns to the natal longitude.
• Lunar Return calculatorMoon back to natal longitude.
• Secondary Progressions calculatorDay-for-a-year progressions.
• Solar Arc calculatorAdd progressed Sun’s travel to every point.
• Profections calculatorOne house per year of age.
• Sidereal Chart calculatorLahiri ayanamsa.
• Draconic Chart calculatorSubtract the north node from every point.
• Ephemeris Day calculatorOne day of planetary longitudes.
• Planetary Hours calculatorTwelve hours from sunrise.
• Void Of Course calculatorNo more major aspects before the Moon leaves its sign.
• New Full Moon calculatorSyzygies: new and full moon.
• Eclipse Approx calculatorSyzygy near the node. A coarse eclipse filter.
• Arabic Parts calculatorArabic parts, including Part of Fortune.
• Midpoints calculatorPlanetary midpoint table.
• Harmonics calculatorHarmonics. Default 9th.
• Relocation Chart calculatorSame birth moment, other city.
• Dignity calculatorDignity table.
• Element Balance calculatorElement and mode counts from the chart.
• Decan Dwad calculator10° decans and 2.5° dwads.
• Planet Ingress calculatorWhen a planet enters the next sign.
• All Retrogrades calculatorMercury through Saturn in one table.
• Today Transits Sign calculatorThe geometry under a daily — not the essay.
• Lunar Convert calculatorLeap months included. Chunjie ≠ Lichun.
• Solar Terms calculatorSun every 15° of ecliptic longitude, Beijing time.
• Almanac Day calculatorDay pillar, clash animal, a short Jianchu list — not a full Tongshu.
• Shengxiao calculatorBoth year boundaries, so a form and a Bazi chart can disagree honestly.
• Sun Sign calculatorEcliptic longitude, not a copied date table. Cusps can move a day.
• Moon Phase calculatorPhase, illumination, moon sign (±1°).
• Bazi calculatorFour pillars: year at Lichun, hour optionally true solar. Stems and branches in one place.
• True Solar Time calculatorLongitude vs 120°E — Ürümqi can shift a whole earthly branch.
• Rising Sign calculatorNeeds a birth time and coordinates. No time, no guess.
• Natal Sketch calculatorKeplerian sketch, sign-level. Not a Swiss Ephemeris wheel.
• Sign Compat calculatorElement and modality scoring, with the rule in the steps.
• Shengxiao Compat calculatorSix-harmony, clash, or same animal. The pairing is public.
• Meihua Yishu calculatorUpper, lower, moving line, and the changed hexagram. Arithmetic, not prophecy.
• Mercury Rx calculatorHeliocentric Kepler minus Earth. Windows good to a few days.
• Daily Wealth calculatorMoney only: score, do/don’t, Venus/Jupiter aspects. Not a trade.
• Jiaobei calculatorTemple moon-blocks: sheng / xiao / yin. Ask one thing that can stop or go.
• Temple Lots calculatorOne hundred lots: verse, rank, one doable act. Not a copyrighted temple booklet.
• Lingnan Oracle calculatorThe temple order in Guangzhou, Fujian and Hong Kong: throw first; open the lot only on sheng.
• Mazu Lots calculatorBlocks then lot, in a seafaring voice. Not the Meizhou booklet.
• Zuoya calculatorLunar 2nd and 16th: the land-god / merchant offering still kept in Minnan, Teochew and Guangzhou shops.