Udaya

Amavasai · Amavasya · New moon Observance The new moon of the lunar month, and in the south the day of tarpanam for the ancestors: the son of the house offers water and sesame facing south, at the sea, a river or a tank.

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The name

The same day, written in each of the six scripts this app keeps

English
Amavasai · Amavasya · New moon
தமிழ்
அமாவாசை
తెలుగు
అమావాస్య
ಕನ್ನಡ
ಅಮಾವಾಸ್ಯೆ
മലയാളം
അമാവാസി
বাংলা
অমাবস্যা
मराठी
अमावस्या
नेपाली
औंसी
ਪੰਜਾਬੀ
ਮੱਸਿਆ
සිංහල
අව පසළොස්වක පොහොය

UTC+5:30

The date of a festival depends on the place: a tithi that ends at dusk in Chennai can still be running at dusk a thousand kilometres west, which moves the day. Sunrise and sunset here are computed for the place above.

When it falls next

Looking for the calendar this day belongs to

This day does not fall again in the next three years at this place. A few days are tied to the solar month rather than to the civil year, so a year can hold two of them or none.

What the day is

The new moon of the lunar month, and in the south the day of tarpanam for the ancestors: the son of the house offers water and sesame facing south, at the sea, a river or a tank. It is not a festival, and no new work, journey or purchase is begun on it; the day belongs to the departed. Aadi, Thai and Mahalaya Amavasai are the three the whole family keeps.

Deity
Pitrus, Yama
Kind
Observance Days marked, watched or begun, without a fast or a feast of their own.

The hour

The rule in words

The Amavasai tithi in the afternoon, the aparahna, which is the hour prescribed for tarpanam; the bath comes first.

The fast

The one who offers tarpanam fasts until it is done and then eats one plain meal, without onion or garlic. Many households eat no non-vegetarian food on the day.

Where the regions differ

The south offers monthly tarpanam; the north keeps the Amavasya as a bathing and daan day and reserves the great tarpan for Sarva Pitru Amavasya. Somavati Amavasya, one that falls on a Monday, is held special everywhere. The Punjab calls it Masya, Nepal calls it Aunsi and keeps the Bhadra one as Kushe Aunsi for fathers and the Baisakh one as Mata Tirtha Aunsi for mothers, and the Sinhala Buddhist reckoning counts the new moon as the Ava Pasalosvaka Poya.

Every date here is computed from the Sun and Moon for the place entered, by the rule printed beside it. A printed panchangam can differ by a day where an almanac reads a tithi at a different instant, and a family's own custom always comes first. Where the practice genuinely varies, the text says so rather than choosing for you.

Positions are accurate to a few arc-minutes, enough for signs, stars and padas except within about half a degree of a boundary, which the pages point out. Nothing you enter leaves the browser.

How the calculations work