Bhadra maas or Bhadro month is the fifth month as per Bengali calendar. In 2009, Bhadra month begins on August 18 and ends on September 17. As per Gregorian calendar, Bhadra month starts in Mid August and concludes in Mid September. Bhadra maas signifies the arrival of autumn season.
The most celebrated festivals during Bhadra month are – Ganesh Chavithi festival, Biswakarma Puja and Mahalaya Paksha.