Cool Moon Facts by Whip

Real astronomy and dated history, with sources. Documented traditions and folklore. Modern lunar astrology · symbolic, not predictive.

Traditions · Chart basics · Advanced

Ayanamsa

Also called ayanamsha, precession offset

The angle between the tropical and sidereal zodiacs, currently about 24°.

It grows by about 50 arcseconds a year with precession. Different schools define it by different reference stars; the Lahiri value is official in India.

Where sources differ
Lahiri, Raman, Krishnamurti, Fagan-Bradley and others differ by up to a couple of degrees.
  • Kind: Calculation
  • Tradition: Indian (Vedic) astrology, Sidereal astrology
  • In this site’s birth chart: not used

Related: Sidereal zodiac, Precession of the equinoxes, Vedic astrology

Written for Cool Moon Facts in its own words. An astrology source documents what astrologers believe or practise; it does not establish that astrology works.

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