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Time Zone in Tehran, Iran

2:27:02 am IRDT

Sunday, August 1, 2021

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Current: IRDT — Iran Daylight Time
Next Change: IRST — Iran Standard Time
Current Offset: UTC/GMT +4:30 hours
Difference: 8:30 hours ahead of Washington DC
Location of TehranLocation

2021 Time Zones - Tehran

Jan
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Dec

The graph above illustrates clock changes in Tehran during 2021.

Note that Tehran uses a special half-hour time zone.

Time Changes in Tehran Over the Years

Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.

YearDate & TimeAbbreviationTime ChangeOffset After
2000Tue, Mar 21 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Thu, Sep 21 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2001Thu, Mar 22 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Sat, Sep 22 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2002Fri, Mar 22 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Sun, Sep 22 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2003Sat, Mar 22 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Mon, Sep 22 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2004Sun, Mar 21 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Tue, Sep 21 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2005Tue, Mar 22 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Thu, Sep 22 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2006 — 2007No changes, UTC +3:30 hours all of the period
2008Fri, Mar 21 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Sun, Sep 21 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
2009Sun, Mar 22 at 12:00 amIRSTIRDT+1 hour (DST start)UTC+4:30h
 Tue, Sep 22 at 12:00 amIRDTIRST-1 hour (DST end)UTC+3:30h
* All times are local Tehran time.

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Tehran
Iran
2:2702am
Sunday, August 1, 2021