Amavasya, also referred as Amavasi or Amavas, is the no moon day in a month in a traditional Hindu lunar calendar. Amavasya May 2017 date is Thursday, May 25. The Amavasya Time - begins at 5:08 AM on May 25, 2017 and ends at 1:14 AM on May 26.
Shani Jayanti is observed on on May 26
Vat Savitri Amavasya Vrat is also observed on the day in North India on May 26.
As per traditional North Indian calendar it is the Jyeshta Amavasya in month. In other regions it is the Vaishakh Amavasi.
Amavasi 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.
Chaitra month ends in traditional calendars followed in Maharashtra,
Gujarat, Telangana, Andhra Pradesh and Karnataka on the day.