Abbreviation / Name
IST - Iran Standard Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
March 22 at 00:00 local time. DST starts annually on the same date and time.. Clocks are turned forward
1 hour to Tuesday, March 22, 2022, 1:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
September 21 at 00:00 local time. DST ends annually on the same date and time.. Clocks are turned backward
1 hour to Wednesday, September 21, 2022, 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.
Harau, Harowabad, Herau, Herauabad, Heroabad, Herow, Herowabad, Herowābād, Heroābād, Hirabad, Hirābād, Khalkhal, Khalkhāl, hrw abad, khlkhal, خلخال, هرو آباد
37° 37' N Latitude / 48° 31' E Longitude
International Dialing Code