Vedic astrology · glossary
Rāśi (Moon Sign)
A zodiac sign; in Vedic usage often the Moon-sign (janma rāśi), the basis of many predictions.
What it means
There are twelve rāśis of 30° each (Meṣa/Aries through Mīna/Pisces). Vedic astrology is sidereal, so the rāśi is measured against the fixed stars, not the seasons — which is why it often differs from a Western "sun sign". The Moon-sign drives daily readings, Sade Sati and much of transit analysis.
How it's computed
chart.ts takes a graha's sidereal longitude (tropical-of-date minus the Lahiri ayanāṁśa) and divides by 30° to get its sign; the Moon's sign is the janma rāśi.
Deterministic, license-clean engine (astronomy-engine, VSOP87-grade; Lahiri ayanāṁśa). The AI advisor only narrates these computed facts — it never invents chart data.
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Frequently asked
- Why is my Vedic sign different from my Western one?
- Vedic astrology is sidereal (aligned to the fixed stars) and subtracts the ayanāṁśa, so signs sit roughly 24° behind the tropical zodiac.
- Which sign should I use for horoscopes?
- Vedic daily and transit readings traditionally use the Moon sign (rāśi), not the Sun sign.