Udaya

Aluth Avurudu · Sinhala and Tamil New Year Observance The day the Sun enters Mesha, on which the solar calendars of the east and the south begin their year.

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The name

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

English
Aluth Avurudu · Sinhala and Tamil New Year
සිංහල
සිංහල හා දෙමළ අලුත් අවුරුද්ද

Only the names actually in use are listed. A blank script is not an omission: the day may simply not be kept there, or be kept under a different festival's name.

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 day the Sun enters Mesha, on which the solar calendars of the east and the south begin their year. Bengal opens the halkhata, the new account book, for Poila Boishakh; Assam keeps Bohag Bihu with the cattle and the husori songs; Kerala keeps Vishu, Tamil Nadu Puthandu and Odisha Pana Sankranti. The Punjab keeps Vaisakhi as the harvest and the founding of the Khalsa.

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

The hour

The rule in words

The day the Sun enters Mesha when the ingress is before sunset, otherwise the next day. Kerala uses the stricter aparahna limit and can differ by one day.

The fast

No fast. Each region keeps its own feast: the Bengali panta bhat and ilish, the Kerala sadya, the Tamil mangai pachadi.

Where the regions differ

The North Indian lunar year has already turned at Chaitra Shukla Pratipada, a fortnight earlier, so the north marks this day only in passing. Vaisakhi is dated by the Nanakshahi calendar and can fall a day off the sankranti. Sri Lanka reads every hour of the crossing from the almanac: the nonagathaya, about six hours either side of it, when no work is begun and only religious observance is kept, and then the punya kalaya with its named times to light the hearth, to eat the kiribath, to be anointed with oil and to leave for work, each with its own direction and colour to wear. Sinhala and Tamil households keep it together, and the holidays can fall on the two days the crossing straddles.

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