Amavasya is the no moon day in a month in a traditional Hindu lunar calendar. In August 2017, Amavasya date is Monday, August 21. Time – Amavas begins at 2:10 AM on August 21 and ends at 11:59 PM on August 21, 2016. The Amavasya Vrat is on August 21. Snan, dhan, Shradh and Tarpan are performed on August 21. The Amavasya is known as Somvati Amavasya as it falls on Monday
As per traditional North Indian calendar the August 21 Amavasya is of the Bhadrapad month. In other regions it is the Shravan Amavasya.
Amavasya is the darkest day in a traditional Hindu month and is considered both auspicious and inauspicious by different Hindu communities.
There are many Hindus who undertake a fast on Amavasi. Some devotees only take a single meal on the day.
Shravan month ends in traditional calendars followed in Maharashtra,
Gujarat, Telangana, Andhra Pradesh and Karnataka on August 21.