Jyeshta Purnima, the Full Moon day in Jyeshta month, is also known as Vat Purnima or Vat Savitri Purnima. In 2013, Jyeshta Purnima date is June 23.
Vat Savitri Puja is observed on Jyeshta Purnima in North India, especially in Orissa. On Jyeshta Purnima (Snan Purnima / Devsnana Purnima) Snana Yatra is held in Puri Jagannath Temple.
In Tirumala Tirupati Venkateswara swamy temple, Jyeshta Abhishekam is observed during Jyeshta nakshatra in Jyeshta month. Tiruchanur Padmavathi Ammavari Theppotsavam is also held during Jyeshta Purnima.
Jyeshta Purnima is also considered auspicious for Ganga Snan. Ganga Dussehra Snan which started six days ago will be concluded on Jyeshta Purnima day. The main snan takes place at Brahm Kund and Har-ki-pauri.
On 26 June 2010, there was a Pakshik Chandra Grahan taken place. This Chandra Grahan was visible in North East India for less than a minute in the evening at moon rise time.