Udaya

Festival Pitrus, Yama

Aadi Amavasai

The new moon of Aadi, one of the three days of the year on which tarpanam is offered to the ancestors (with Thai Amavasai and Mahalaya Amavasai).

Aadi Amavasai 2027 falls on Monday, 2 August, computed for Chennai.

  • Calendar Tamil Nadu
  • Temples 6
  • Mantras 2
  • Dates to 2036

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Latitude, longitude and time zone 13.08, 80.27

Asia/Kolkata · UTC+5:30

The date of a festival depends on the place.

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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#

Tamil Nadu calendar, computed for Chennai

  1. Monday, 2 August 2027
  2. Friday, 21 July 2028
  3. Thursday, 9 August 2029
JanFebMarAprMayJunJulAugSepOctNovDec272829

Where Aadi Amavasai falls on the solar year, and how far the date moves between occurrences.

  • 2027: 2 Aug
  • 2028: 21 Jul, 11 days earlier
  • 2029: 9 Aug, 18 days later

See the whole year on the calendar →

The dates, year by year#

Tamil Nadu calendar, computed for Chennai

Each row is one year on the same January to December line; the figure at the end is how many days earlier (−) or later (+) the day fell than the year before.
12 years, 2025 to 2036
Aadi Amavasai dates from 2025 to 2036
YearAadi AmavasaiAgainst the year before
2025Thursday, 24 July 2025
2026Wednesday, 12 August 2026 19 days later
2027Monday, 2 August 2027 10 days earlier
2028Friday, 21 July 2028 11 days earlier
2029Thursday, 9 August 2029 18 days later
2030Tuesday, 30 July 2030 10 days earlier
2031Saturday, 19 July 2031 11 days earlier
2032Thursday, 5 August 2032 18 days later
2033Monday, 25 July 2033 12 days earlier
2034Sunday, 13 August 2034 19 days later
2035Friday, 3 August 2035 10 days earlier
2036Wednesday, 23 July 2036 10 days earlier

Worked out for Chennai, Lahiri ayanamsa. A date is a function of the place: set yours above and the next three come back for where you are.

What the day is#

The new moon of Aadi, one of the three days of the year on which tarpanam is offered to the ancestors (with Thai Amavasai and Mahalaya Amavasai). The son of the house offers water and sesame at the sea, a river or a tank, facing south. Rameswaram, Agni Theertham and the Kaveri ghats draw large crowds.

Deity
Pitrus, Yama
Kind
Festival Days of celebration: the house is decorated, a feast is cooked and the temple is visited.

Significance#

Aadi opens Dakshinayanam, the half-year that is the night of the gods, and the ancestors are held to draw nearest to the living in it; the first new moon of that half is the one on which they wait most keenly for their water, as Thai Amavasai is the first of the bright half. A tarpanam made on Aadi Amavasai is said to satisfy them for the year and to bring their blessing on the line, while one neglected is felt as a debt, the pitru rinam, that the family carries. The sesame is black because it belongs to the ancestors, and the water is poured from the part of the palm between the thumb and the forefinger because that is the pitru theertham, the ancestors' channel. In the Tamil home the crow is the ancestors' messenger: the first portion of the day's cooking is set out for the crows, and the family eats only after they have come.

How it is kept#

The puja as a household does it, in order. Tick each step as it is done.

Keep ready

  • black sesame (ellu)
  • darbha grass for the pavitram, the koorcham and the seat
  • a plate, a panchapaathram and an uddharani
  • clean water
  • a washed veshti
  • raw rice, a raw plantain and vegetables for the dana
  • agathi keerai for the cow
  • a banana leaf for the crows' portion
  • dakshina

The steps

0 of 9 done

The ticks stay in this tab for today only; nothing leaves this device.

What is cooked#

One plain meal without onion or garlic, cooked from the vegetables of a shraddha kitchen, raw plantain, broad beans, bitter gourd and pumpkin, with rice, paruppu, rasam and ellu podi (sesame powder), and in many Tamil homes ulundu vadai and payasam; the exact list varies by family and community. In Kerala the bali at the ghats is followed by a vegetarian meal at home.

The hour#

Clock times for Monday, 2 August 2027 at Chennai

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

The main rite. The Amavasai of Aadi, kept on the day the tithi runs, with the aparahna, the afternoon, as the hour the texts appoint for the ancestors. Most households offer the tarpanam in the morning of that day after the bath, and the one who offers it eats only afterwards.

InstantTimeWhat it is
Aparahna13:31the afternoon, three fifths of the daylight after sunrise

Sunrise 05:55, sunset 18:36, UTC+5.5. These are the instants the rule is read at, not the temple's own puja times, which every temple prints for itself.

The day itself

WhatWhenNote
TithiKrishna Amavasai from previous day 19:21 until 15:35then Shukla Prathamai until next day 11:52
NakshatraPushya until 17:10then Ashlesha until next day 14:17
Rahu kaal07:30 to 09:05 (1 h 35 min)the eighth of the daylight left alone for a beginning
Yamaganda10:40 to 12:15 (1 h 35 min)the eighth ruled by Yama, also avoided
Gulika13:50 to 15:26 (1 h 35 min)the eighth of Saturn’s son; what is done in it is said to repeat
Abhijit11:50 to 12:41 (0 h 51 min)the midday muhurta, good for most things
Moonrise05:33moonset 18:38

For Monday, 2 August 2027 at Chennai. A time marked "previous day" or "next day" is on the clock of that day.

The fast#

The one who offers tarpanam fasts until it is done and then eats one plain meal without onion or garlic. Sesame, darbha grass and water are the offering.

What is avoided#

No kolam before the rite, no meat, fish, onion or garlic, and no celebration, new purchase or auspicious beginning that day. No greeting is exchanged, since it is a day of remembrance, and the one offering the tarpanam does not eat before it.

The name#

The same day, in every language that has a word for it

2 names
English
Aadi Amavasai
தமிழ்
ஆடி அமாவாசை

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.

Where the regions differ#

The same new moon is Karkidaka Vavu in Kerala, the largest bali day of the Malayalam year. North India keeps the corresponding day as an Amavasya bath but reserves the great tarpan for Sarva Pitru Amavasya.

In other regions

Tamil Nadu (the dates above)
The crowds are greatest at the Agni Theertham at Rameswaram, at Kanyakumari, at the Amma Mandapam ghat at Srirangam and at Bhavani Kooduthurai, where the vadhyars sit in rows on the steps and families take their turn.
Kerala
Kerala keeps the same new moon as Karkidaka Vavu, the largest bali of its year, at Aluva Manappuram on the Periyar, at Thirunelli in Wayanad and at Varkala Papanasam, sometimes a day apart from the Tamil Aadi Amavasai.
Kannada
Karnataka keeps the same new moon as Bheemana Amavasya, a wives' vratam in which Shiva and Parvati are worshipped as a pair of lamps for the husband's long life, rather than as an ancestor day.
North India
The north keeps the same new moon as Hariyali Amavasya in Sawan, with a bath, a small offering to the ancestors and the planting of trees; the great tarpan waits for Sarva Pitru Amavasya.
Maharashtra
Maharashtra keeps it as Deep Amavasya, the last day of Ashadh, when every lamp in the house is scrubbed, set out and worshipped, and as Gatari, the last day of meat before Shravan.
Sri Lanka
Sri Lankan Tamils keep Aadi Amavasai for fathers who have died, as Chitra Pournami is kept for mothers, and the tarpanam at the Keerimalai springs near Jaffna is the island's largest.

The dates above are the Tamil Nadu reckoning, because that is the calendar this key belongs to. Switch the tradition on the calendar page to see how another one dates the same day.

Where this day is kept#

Nearest first from Chennai, with what is recorded about each.

  • Ramanathapuram, Tamil Nadu

    The entry for this day names Rameswaram, and it is a temple of Pitrus. This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Rameswaram, Agni Theertham and the Kaveri ghats draw large crowds.

  • Nagapattinam, Tamil Nadu

    The gazetteer line for this temple names the day. This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Amavasai and Aadi Amavasai tarpanam on the nearby shore are what most come for.

  • Jaffna, Northern Province, Sri Lanka

    The gazetteer line for this temple names the day. This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Aadi Amavasai tarpanam at Keerimalai is the largest ancestor rite in the north of the island.

  • Wayanad, Kerala

    The gazetteer line for this temple names the day. This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Karkidaka Vavu (Aadi Amavasai) is its great day.

  • Kollumangudi, Mayiladuthurai, Tamil Nadu

    This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Visited where a family quarrel or a father’s displeasure is read into the chart, and on amavasai for the ancestors.

  • Tamil Nadu

    This day is kept for Pitrus, and the gazetteer keeps this temple for Pitru and ancestors. Tula snanam through Aippasi, when lakhs bathe at the ghats, and amavasai tarpanam are what most come for.

26 more temples in this gazetteer are recorded for the day. Find temples near you.

Your family's own temple comes first, and its calendar is the one that decides.

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A temple is listed here only where the gazetteer's own line names this day, or where this day's own entry names the town, or where the day belongs to the ancestors or the nagas and the temple is recorded for that rite. Where neither table says anything, nothing is listed as kept for the day; where fewer than three are, the nearest temples of the day's own gods are added under a heading of their own.

Mantras#

The prayers said with the day. Each opens with its words and meaning.

A name without a link is a long reading, read in full from the family’s own copy or at the place of worship; the library prints the shorter prayers.

Every date here is computed from the Sun and Moon for the place entered, by the rule printed beside it.

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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.