Ashadha month is 4th lunar month in Hindu calendar. As per the Gregorian calendar, Ashadha month falls between June-July
As per Hindu calendar each month based on moon that is known as lunar month. According to this Purnima to Purnima which is known as the Purnimanta calendar. And another is from Amavasya to Amavasya which is known as the Amanta calendar.
Some important festivals of hindu Ashadha month are Yogini Ekadashi, Jagannath Rathyatra, the beginning of Gauri Vrat, Jayaparvati Vrat.