Bhadro

Bhadro ( "Bhadrô") is the fifth month in the Bengali calendar. Bhadro marks the beginning of Sharat or Autumn. According to the modified calendar developed by the Bangla Academy, the month of Bhadro has 31 days from 18 August to 17th September in Bangladesh.
Etymology.
Bhadro is named after the star Purbobhadropod ( "Purbôbhadrôpôd").