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Flag for Iran Time zone in Tehran, Iran

2:50:22 AM IRDT

Saturday, May 23, 2015

Current: IRDT
 Iran Daylight Time

Next Change: IRST
 Iran Standard Time

Offset: UTC/GMT +4:30 hours

Difference: 8:30 hours ahead of Washington DC

Location of TehranLocation

2015 Time Zones - Tehran

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The graph above illustrates clock changes in Tehran during 2015.

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
2014Sat, Mar 22, 12:00 AMIRSTIRDT+1 hour (DST start)UTC+4:30h
 Mon, Sep 22, 12:00 AMIRDTIRST-1 hour (DST end)UTC+3:30h
2015Sun, Mar 22, 12:00 AMIRSTIRDT+1 hour (DST start)UTC+4:30h
 Tue, Sep 22, 12:00 AMIRDTIRST-1 hour (DST end)UTC+3:30h
2016Mon, Mar 21, 12:00 AMIRSTIRDT+1 hour (DST start)UTC+4:30h
 Wed, Sep 21, 12:00 AMIRDTIRST-1 hour (DST end)UTC+3:30h
2017Wed, Mar 22, 12:00 AMIRSTIRDT+1 hour (DST start)UTC+4:30h
 Fri, Sep 22, 12:00 AMIRDTIRST-1 hour (DST end)UTC+3:30h
2018Thu, Mar 22, 12:00 AMIRSTIRDT+1 hour (DST start)UTC+4:30h
 Sat, Sep 22, 12:00 AMIRDTIRST-1 hour (DST end)UTC+3:30h
* All times are local Tehran time. Next time change is highlighted.
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Tehran
Iran
2:5022AM
Saturday, May 23, 2015