Harh is the fourth month of the Sikh calendar. It falls between mid-June and mid-July in Gregorian calendar. Martyrdom of the 5th
guru,
Guru Arjan, is on the 2nd and the birth of
Guru Hargobind is on the 21st of this month. The four months from Harh to the first half of the month of Asu that comprise the monsoon season is called Chaumasa.
[Source all india (80) 18-Apr-05]