Moon Phase Calculator
See the moon phase on your birth date or any date, with the tithi. Add a partner's date to compare.
Compare with a partner's birth date (optional)
What your birth moon phase says
The moon phase is the angle between the Sun and the Moon. In Vedic terms that same angle gives the tithi. We show both: the Western phase name (new, crescent, quarter, gibbous, full) and the tithi with paksha. Many people like comparing their phase with a partner. Same phase means you run on a similar emotional rhythm, opposite phases often balance each other.
The phase is taken at noon of the date in Indian time if you don't give a time. The Moon moves about 12 degrees a day, so the phase is close enough for a date-level reading.
Frequently asked questions
Is moon phase the same as tithi?+
They come from the same Sun-Moon angle. A phase name covers a range, a tithi is an exact 12 degree slice of it.
What is a moon phase soulmate?+
A fun idea: two people born under the same moon phase. It's not a classical rule, but many people enjoy checking it.
How is illumination worked out?+
From the Sun-Moon angle: (1 - cos angle) / 2. 0% is new moon, 100% is full.
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Readings are for guidance and entertainment. They are not a substitute for professional medical, legal or financial advice.