Amavasya or Amavasi, No Moon day or New Moon day in Hinduism, in August 2010 is Shravan Amavasya in North Indian Hindi Panchang. Amavasya in August 2010 date is August 10. It falls on Monday or Somvar hence observed as Somvati Amavasya or Somvathi Amavasya vrat. It is Ashad Amavasya in Marathi, Gujarati, Kannada, and Telugu calendars. This Amavasi is the fifth Amavasya in above panchanga and sixth in North Indian calendars in Vikruti nama samvatsar (2010- 2011).
Amavasya in August 2010 begins at after noon 12:12 on 9th August and ends at 8:37 am on 10th August 2010. This Amavasya marks the end of Ashada masam in Amavasyant Chandramana panchanga.
In North India, this No Moon day is known as Hariyali Amavasya. This is celebrated as Chitalagi Amavasya in Orissa, especially in Puri Jagannath Temple.
Gauri Vratham is observed on this Amavasya in Andhra Pradesh and Karnataka. Diwasi Gauri Puja is the main ritual on this day for Kannada people. Chukkala Amavasya Gauri Vratham is the major observance for Telugu people on Ashad Amavasya. This No Moon is known as Gatari Amavasya in Maharashtra.