Asvina is a Sanskrit term for the seventh month of the lunar calendar, which usually falls between the months of September and October in the Gregorian calendar. In Hinduism, it is considered a sacred month and is associated with many festivals and rituals. There are different names for Asvina in different regions of India and around the world. Some of the common synonyms of Asvina include Ashwin, Aswayuja, and Purattaasi. In some parts of India, it is also known as Sharad or Sharadiya, which means "autumn" or "harvest season". These synonyms help to capture the cultural and regional diversity associated with this important Hindu calendar month.