Festival guide
Amavasya
अमावस्या
New Moon day - time for ancestor worship and introspection.
At a glance
How is Amavasya dated?
Amavasya is a recurring Hindu observance calculated from its Panchang rule. Samvat explains the tithi, significance, and date logic.
Also known as: New Moon Day, Amavas.
Gregorian date
Recurring every lunar monthHindu date
AmavasyaTithi checked at
SunriseWhy this date?
Occurs monthly when the Moon reaches the 30th tithi (new moon), calculated as the moment when Sun and Moon have the same longitude. This is the darkest night of the lunar month.
Learn how Hindu calendar dates are calculatedAmavasya tithi and Panchang details
Date determined by
Lunar tithiCategory
Vrat or fasting dayDietary practice
FastingSignificance
Considered powerful for Pitru Tarpan (ancestor worship).
Traditions and Regions
Traditions
Observed in
Amavasya dates by year
Common questions
How is Amavasya dated?
Amavasya is a recurring Hindu observance calculated from its Panchang rule. Samvat explains the tithi, significance, and date logic.
What is the tithi for Amavasya?
The Hindu date is calculated separately each year from the tithi, paksha, and Hindu month for Amavasya. Choose a year above to see the details.
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.