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AstralMath

What's happening right now

The transits over your chart are astrology's answer to "why now?" — the exact angles today's sky is making to your birth positions, with the dates they peak.

Anchor it to your chart

Transits only mean something against your natal positions. Compute your birth chart first — then the moving sky has something exact to move across. The live transit timeline is rolling out on the same engine.

References

  1. [1]Swiss Ephemeris — Astrodienst AGThe high-precision ephemeris AstralMath compiles to WebAssembly and runs unmodified.
  2. [2]JPL Development Ephemeris (DE431 / DE441) — NASA Jet Propulsion LaboratoryThe underlying planetary/lunar ephemeris Swiss Ephemeris is fit to.
  3. [3]Axial precession — NASA / IAUWhy the sidereal and tropical zodiacs diverge — a measurable ~50″/year drift.