Abbreviation / Name
IDT - Iran Daylight Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+4:30 hours during Iran Daylight Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
0:00 hours - DST is 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
0 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
0 hour to Wednesday, September 21, 2022, 11:00 pm local standard time instead. Also called Fall Back or switch to Winter Time.
Seyadahan, Seyādahan, Siadehan, Siahdehan, Siakh-Degen, Siakhdekhan, Sīahdehān, Sīādehan, Takestan, Takistan, Tākestān, Tākistān, takstan, تاكستان
36° 04' N Latitude / 49° 41' E Longitude
International Dialing Code