Vat Savitri Vrat is an important fast (Vrat) observed by married women in certain parts of
North India. The fasting is based on Savitri Satyavan legend in the Mahabharata. The Vrat is observed either during Amavasi (New moon) in the Hindu month of Jyestha or during Purnima (Full moon) in the month of Jyeshtha. In 2012, the date of Vat Savitri Vrat Amavasi is on May 20 and Vat Savitri Poornima is on June 4.
Vat Savitri Vrat fasting is for three days. It begins on the Trayodashi day and ends on Amavasi or Purnima – the fast is for three nights and ends on the fourth day. Prayers and pujas are dedicated to Vat Vriksha (Banyan Tree) and Savitri.
Popularly, Vat Savitiri is observed during Jyeshtha Purnima in Gujarat, Maharashtra and South India. But there are also several communities that observe it during amavasi especially in North India.
In Orissa, it is observed during Amavasya and is known as Savitri Brata.
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