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About Thai Amavasai

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About Thai Amavasai

Thai Amavasai is the new moon day of the Tamil month of Thai, in January or February, soon after Pongal. With Aadi Amavasai and Mahalaya Amavasai, it is one of the three most important days in the year for honouring ancestors.

Families offer tharpanam with sesame seeds and water for their departed elders, often at the sea, rivers or temple tanks such as Rameswaram, Kanyakumari and Thiruvaiyaru. Many fast until the rituals are done and give food to the needy.

It is a quiet, respectful day of gratitude, coming in the harvest month as a reminder of those who worked the land before us.

  • Thai month (Jan-Feb)
  • New moon day
  • Prayers for ancestors
  • Rameswaram, Kanyakumari

Where it began

Amavasai means the new moon. Three new moons in the Tamil year are held most important for ancestors: Aadi, Purattasi Mahalaya and Thai Amavasai.

It is believed that on this day the ancestors come close to the living, and that prayers and offerings made with love bring them peace and bring blessings to the family.

Thai is also the month when the sun begins its northward journey, a time seen as good and holy, which adds to the meaning of the day.

Sunrise over the sea at KanyakumariKanyakumari, Tamil Nadu

How it grew over time

  1. Ancient times

    Remembering ancestors with water and sesame is an old Hindu practice, called tarpana.

  2. Temple tradition

    Shore temples like Rameswaram and Kanyakumari became places of ancestor worship.

  3. Family custom

    Sons and families kept the day at rivers and homes, followed by a simple meal.

  4. Today

    Large crowds gather at seas and rivers at dawn for prayers.

How it is celebrated in different places

  • Rameswaram

    Devotees bathe at Agni Theertham and offer prayers by the sea.

  • Kanyakumari

    Prayers at the meeting point of three seas.

  • Tiruchirappalli

    Families gather at the Kaveri banks at Amma Mandapam.

  • Sri Lanka

    Tamil Hindus offer prayers at the sea and at Keerimalai springs.

Thai Amavasai moments

The long corridor of the Rameswaram templeRameswaram, Tamil Nadu
Dawn waves on the shore, where families offer prayersKanyakumari, Tamil Nadu
Sunrise at the southern tip of IndiaKanyakumari, Tamil Nadu

Thai Amavasai today

Families rise early, bathe, offer sesame and water while saying the names of ancestors, and then give food to the poor, cows and crows. At home, a simple meal is cooked and shared in their memory.

How people celebrate Thai Amavasai

  • Tharpanam for ancestors
  • Holy dips at the sea and rivers
  • Fasting until the rituals
  • Feeding crows and the needy
  • Temple visits

How to wish well

  • This is a day of remembrance: send blessings, not "Happy Thai Amavasai".
  • Avoid jokes; a short line of gratitude to elders is best.
  • "Thai Amavasai blessings" or "தை அமாவாசை ஆசிகள்" are respectful.

Questions about Thai Amavasai

When is Thai Amavasai 2027?

It is the new moon in the Tamil month of Thai. In 2027 it is expected on 6 February; see the date shown on this page.

Why is Thai Amavasai important?

It is one of the main days of the year to offer prayers and tharpanam for one's ancestors.

What is done on Thai Amavasai?

People take holy dips, offer tharpanam with sesame and water, fast, and give food to the needy.

Can you say Happy Thai Amavasai?

It is a day of remembrance, so "Thai Amavasai blessings" is more fitting.

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