Festival date logic
Purnima
पूर्णिमा
Full Moon day - auspicious for most activities and worship.
Direct answer
Purnima date rule
Purnima is a recurring Hindu observance calculated from its Panchang rule. Samvat explains the tithi, significance, and date logic.
Gregorian date
Recurring every lunar monthHindu date
PurnimaObservance moment
the relevant Panchang moment for the observanceWhy this date?
Occurs monthly when the Moon reaches the 15th tithi of Shukla paksha, calculated when Moon is 180° opposite to the Sun. The Moon is at maximum brightness on this night.
Read the calculation methodologyPurnima tithi and Panchang details
Calculation type
tithiFestival type
fastingCommon observance
fastingSignificance
Moon at full power. Sacred day for Satyanarayan Puja.
Traditions and Regions
Traditions
Observed in
Common questions
How is Purnima dated?
Purnima is a recurring Hindu observance calculated from its Panchang rule. Samvat explains the tithi, significance, and date logic.
What is the tithi for Purnima?
The Hindu date shown by Samvat is Purnima. This is based on the festival rule encoded for Purnima.
Can the date differ by city?
Yes. Panchang values depend on sunrise, sunset, moonrise, and timezone. Samvat's public festival page uses an India-baseline calculation; local observance can differ by city, sampradaya, or family tradition.