Tools
Free tools
Every free tool on the site. The lookups each answer one specific question; the calendar gives dates you can check; the reference tables explain the vocabulary. One engine computes every result — the same one behind the paid reports.
Charts and lookups
- BaZi chartEnter a birth date and time to cast the four pillars and luck cycles.
- Four pillars lookupEnter birth data to get the four pillars with ten gods, hidden stems, nayin and void.
- Day-pillar lookupFind the day pillar for a birth date, with a page for each of the sixty.
- Shensha lookupChecks thirty-eight shensha against the four pillars and marks where each sits.
- Birth-hour lookupConverts clock time to true solar time by longitude and historical zone rules; double-hour, hour pillar, and the reference tables.
- Five-Element lookupTallies the chart's five-element distribution and flow, not just what is missing.
Calendar
- Today in the lunar calendarToday's lunar date, day stem-branch, weekday and solar term, updated daily; no almanac columns.
- Perpetual calendarMonth by month, 1900–2100: Gregorian, lunar, day stem-branch and solar terms.
- Solar-term tableEach year's 24 solar terms to the minute, with lunar date and the month pillar each 節 opens, 1900–2100.
- Age and zodiac lookupCompleted and nominal age, zodiac and 本命年 from a birth date, with the Lichun-rule year pillar beside it; zodiac-year table.
- Lunar birthday converterGregorian → lunar birthday, or lunar → the Gregorian date in coming years; leap-month and 30th-day years are flagged.
- Tai Sui relation lookupYour zodiac against each of the next six years' Tai Sui — 值/冲/刑/害/破 from the engine's branch rules, with a three-year table. Relations only.
- Moon phaseThe Moon's phase, illumination and age for any date, with a year of new and full moons beside their lunar dates.
- 子午流注 channel hoursThe traditional pairing of the twelve 時辰 with the twelve channels, current hour marked. Correspondence only, no health guidance.
- Zodiac pair tableBranch relations between any two signs — harmony, clash, harm, destruction, punishment — as the engine detects them; no score.
- Lunar year referenceEach year's Spring Festival, Lichun instant, zodiac, leap month and 24 terms.
Other tools
- Life path numberDigit reduction of the birth date, every step shown; master numbers and birthday number.
- Sun sign lookupSun sign, date range, element and modality from a birth date, with a cusp note. Rising and Moon signs are not estimated.
- Natal chartSun, Moon, rising and the planets by sign, degree and house, from an ephemeris.
- Rising signRising sign from birth time and place; historical zones and DST applied.
- Moon signMoon sign and degree from date and time; without a time, the day's range is shown.
- Venus signVenus sign and degree from the birth date, with a retrograde flag; Sun, Moon and rising alongside.
- Synastry chartAspects between two birth charts and the house overlays each way, ranked by orb. No compatibility score.
- Saturn returnExact dates of your three Saturn returns (and Jupiter returns) from an ephemeris.
- Mercury retrograde datesStation times, signs and shadow periods for every Mercury retrograde over four years, from an ephemeris; Venus and Mars too.
- Name five-grid arithmeticThe five grids and 三才 from stroke counts, with the arithmetic shown; no auspiciousness score.
Divination and folk methods
Reference tables
- Day mastersOne page per heavenly-stem day master: nature, preferences, common combinations.
- Ten GodsDefinitions, derivation and relationships of the Ten Gods on one page.
- Five Elements guideGeneration and control cycles, stem/branch element mapping, seasonal strength.
- Sexagenary tableThe sixty stem-branch pairs with nayin element and void branches, by decade, each linking its day-pillar page.
- Hidden-stem tablePrincipal, middle and residual hidden stems of the twelve branches — the engine's own table.
- GlossaryTerm-by-term explanations, including the sexagenary cycle and shensha entries.
Start from a full chart
Each lookup answers one question. The four pillars, luck cycles and yearly transits read together are the chart.