Shrawan (Nepali: श्रावन or श्रावण) also known as Saaun (Nepali: साउन) is the fourth month in the Bikram Sambat, the official Nepali calendar. This month coincides with July 17 to August 16 of the Western calendar and is 31 days long.
References
Shrawan (Nepali calendar) Wikipedia(Text) CC BY-SA