TianJi reads the whole sky — planets, houses, aspects, transits — and tells you what it means in plain English. Not a newspaper horoscope. Your chart, decoded.
Get Your ReadingPosition-verified astrology. TianJi's ephemeris engine was cross-checked against NASA JPL Horizons reference data across all ten classical bodies — with zero degree-level deviation.
The math under your reading is professional-grade. The words on top are plain English.From a five-second daily check to a deep dive on any question.
Interactive natal chart analysis — every placement, house, and aspect explained in language you actually understand.
Know when Mercury retrograde, Venus returns, and career windows actually hit your chart — with dates, not vibes.
Personalized daily, weekly, and monthly forecasts tuned to your actual placements — not your sun sign alone.
Any question — love, career, timing — answered against your chart, with the reasoning shown. For developers: chart data also ships as an MCP server.
— Ancient maxim, powered by modern AI
Free daily sun-sign reading. Go deeper anytime.
Everything else: [email protected]
Horoscopes are written for one-twelfth of the planet. TianJi computes your full natal chart — every placement and transit — and interprets that specific sky, updated as it moves.
The astronomy is. Our ephemeris engine reproduces NASA JPL Horizons reference positions with zero degree-level deviation across the ten classical bodies, verified by automated monthly cross-checks.
Model Context Protocol lets you pull TianJi chart data into AI tools you already use —Claude, custom agents, automations. It's included with premium and documented for developers.
TianJi is for entertainment and self-reflection. It's a lens for thinking, not a substitute for professional advice — financial, medical, or otherwise.
Guides and sky-watching notes from the TianJi library.
What the lunation means for your houses — and the decisions it tends to surface.
Read the guide → GuideThe sign of Venus that values slow comfort — in love, money, and taste.
Read the guide → GuideHow devotion shows up in small acts — and when helpfulness becomes criticism.
Read the guide →