# askTIAN > Read one birth date across 22 divination systems — BaZi, Zi Wei Dou Shu, Western and Vedic astrology, Human Design, numerology and more — synthesised into one plain-language reading. Free. 不知道就问天 ("when in doubt, ask heaven"). askTIAN turns a birth date into a single cross-tradition reading rather than 22 separate horoscopes. Where the traditions disagree, the reading says so instead of averaging them away. Everything below is free to read; birth details stay private and a profile is public only if its owner opts in. ## Core pages - [Your reading](https://asktian.com/start): claim a handle and get a full natal reading from one birth date. - [Today](https://asktian.com/today): the daily almanac (黄历) — what the day favours, lucky directions, and the Vedic day (panchāng) at your location. - [Browse](https://asktian.com/browse): public charts people chose to share, including historical figures. - [The 22 systems](https://asktian.com/systems): a deep reference page per system — origin, history, what it reveals, who used it, key concepts and sources. - [Glossary](https://asktian.com/glossary): every term that appears in a reading, explained. - [The altar 还愿](https://asktian.com/bless): the gratitude wall. ## Systems reference (22 systems, 18 traditions) ### Chinese - [BaZi 八字](https://asktian.com/systems/bazi): BaZi (Four Pillars of Destiny) is the Chinese system that maps your birth year, month, day, and hour into eight characters to read destiny. - [Zi Wei 紫微](https://asktian.com/systems/ziwei): Zi Wei Dou Shu (Purple Star Astrology) is a Song-dynasty Chinese fate system mapping life across 12 palaces and 14 stars from one's exact birth time. - [Twelve Palaces](https://asktian.com/systems/twelvePalaces): Chinese fate-calculation attributed to the sage Guiguzi: the 'Two-Headed Pincers' pinch your birth year- and hour-stems into a fixed destiny pattern across twelve life palaces. - [Bone Weight 称骨](https://asktian.com/systems/boneWeight): Bone Weight (称骨算命) is a Chinese method that turns your lunar birth time into a single 'bone weight' read against a fate poem. - [ShenSha 神煞](https://asktian.com/systems/baziShenSha): ShenSha (神煞) are BaZi's symbolic 'spirit and killing' stars — stem-branch combinations like the Nobleman, Peach Blossom and Travel Horse that color a destiny chart. ### Ancient Egyptian - [Egyptian](https://asktian.com/systems/egyptian): The 36 decans of the Nile: ten-degree star-groups used since c. 2100 BCE to clock the night and read the celestial 'address' of a birth. ### Burmese - [Mahabote](https://asktian.com/systems/mahabote): Mahabote is Burmese 'Little Key' astrology: an eight-sign, seven-day-week system reading character and destiny from your birth weekday, planet, and year. ### Greco-Roman / Hellenistic - [Western Astrology](https://asktian.com/systems/western): Western tropical astrology: the Greco-Roman natal-chart tradition, born in Alexandria c. 100 BCE, that reads planets, signs, and houses against the seasonal zodiac. ### Indian - [Anka](https://asktian.com/systems/anka): Anka (Ank Jyotish) is Indian numerology: reading birth-date and name numbers tied to the nine planets to reveal personality, destiny and lucky names. ### Indian (sidereal) - [Vedic Jyotish](https://asktian.com/systems/vedic): Jyotiṣa (Vedic astrology) is India's sidereal birth-chart tradition reading planets, signs, nakshatras and dasha periods to map character, timing and life events. ### Indonesian - [Primbon](https://asktian.com/systems/javanesePrimbon): Primbon is the Javanese book-tradition of divination and auspicious timing, whose core reckoning is weton — your birth weekday combined with the day of the five-day pasaran cycle. ### Islamic - [Manāzil al-Qamar](https://asktian.com/systems/manazil): The Arabic lunar mansions divide the Moon's monthly path into twenty-eight stations (manāzil), each a named star-group the Moon occupies for roughly a night — the mansion it stood in at your birth colours the reading. ### Japanese - [Shichūsuimei 四柱推命](https://asktian.com/systems/shichusuimei): Shichūsuimei is Japan's Four Pillars of Destiny — reading birth year, month, day and hour to map character, fortune cycles and timing. ### Kabbalistic - [72 Angels](https://asktian.com/systems/shemAngels): The Shem HaMephorash tradition derives seventy-two three-letter divine names — and their attendant angels — from Exodus 14:19–21, assigning each a five-degree arc of the zodiac and so a set of guardian angels to every birth. ### Korean - [Saju 사주](https://asktian.com/systems/saju): Saju (사주) is Korea's Four Pillars of Destiny: a birth-chart system reading year, month, day and hour to map character, timing and fate. ### Mesoamerican - [Mayan Tzolk'in](https://asktian.com/systems/mayan): The Tzolk'in is the Maya 260-day sacred calendar—20 day signs times 13 numbers—still read by highland Guatemalan daykeepers for destiny and timing. ### Mesopotamian - [Babylonian](https://asktian.com/systems/babylonian): The oldest sky-reading on record: Mesopotamia's sidereal zodiac and planetary deities (MUL.APIN, Enūma Anu Enlil) mapping character and fate. ### Modern synthesis (1987) - [Human Design](https://asktian.com/systems/humanDesign): Human Design is a 1987 system fusing I Ching, astrology, Kabbalah and chakras into a BodyGraph mapping your Type, Strategy and Authority. ### Persian - [Roz-o-Mah](https://asktian.com/systems/zoroastrianRozOMah): Roz-o-Mah ('day and month') is the Zoroastrian calendrical reading: every one of the thirty days and twelve months bears the name of a divine being, and the pair governing your birth names the yazatas that attend you. ### Thai - [Maha Tak Sa](https://asktian.com/systems/thaiMahaTaksa): Maha Tak Sa (มหาทักษา) is the Thai eight-planet system that assigns your birth weekday a ruling planet, then reads eight life-domains from that planet's position in a fixed octagonal wheel. ### Tibetan - [Tibetan Astrology](https://asktian.com/systems/tibetanAstrology): Tibetan elemental astrology (nag-rtsis, the 'black calculation') reads a birth through a Chinese-derived cycle of twelve animals, five elements, the nine mewa numbers and eight parkha trigrams. ### Western - [Numerology](https://asktian.com/systems/numerology): Pythagorean numerology maps name and birth-date letters to digits 1-9 to reveal Life Path, Destiny, and Soul Urge — the dominant Western system. ## For agents and developers - [Agents & MCP](https://asktian.com/agents): how to call askTIAN from an AI agent. - [MCP server](https://www.npmjs.com/package/@asktian/mcp-server): `npx -y @asktian/mcp-server` (stdio), or the hosted endpoint at https://mcp.asktian.com/mcp. Also listed on the Model Context Protocol registry. - [API](https://api.asktian.com): the computation API behind every reading — 145 systems across 18 traditions, deterministic where the tradition is deterministic. - [Chat](https://chat.asktian.com): conversational readings; accepts a pre-filled question via `?q=`. - [OpenAPI](https://asktian.com/openapi.json): machine-readable contract for this site's public read endpoints — a public chart across all 22 systems, the synthesised reading, the daily almanac and the Vedic day. No credentials needed. ## Notes for machine readers - Readings are symbolic and cultural, not empirical prediction. Health readings are wellness reflection only and carry a disclaimer that must be reproduced verbatim; they are explicitly not medical advice or diagnosis. Nothing on the site is financial advice. - Chinese is served at `/zh/` and declared via hreflang; content is otherwise identical. - A machine-readable URL list is at https://asktian.com/sitemap.xml.