Amavasya or Amavasi, No Moon day in Hinduism, in September 2010 is Bhadrapad Amavasya in North Indian Hindi Panchangam. Amavasya in September 2010 date is September 8th. It starts on 7th September and ends in the evening on 8th. This No Moon is known as Shravan Amavasya in Amavasyanth lunar calendars followed in Maharashtra, Gujarat, Karnataka, and Andhra Pradesh.
September 2010 Amavasya is observed as Pithori Amavas in North Indian Hindi calendars whereas it is celebrated as Pola or Bail Pola in Maharashtra. Polala Amavasya Polamba vratam or Poleramma vratham is the main ritual on Shravan Amavasya in Andhra Pradesh. It marks the end of Shravan month as per the calendars in which Amavasy is the last day in a month.
Next Amavasya in Hindu calendar (October 2010) is widely observed as Mahalaya Amavasya or Shraddh Amavasya.