| 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 |
2022 Time Zones - Tehran
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
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Nov
Dec
The graph above illustrates clock changes in Tehran during 2022.
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.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 2021 | Mon, Mar 22 at 12:00 am | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Wed, Sep 22 at 12:00 am | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2022 | Tue, Mar 22 at 12:00 am | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Thu, Sep 22 at 12:00 am | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2023 — 2025 | No known changes, UTC +3:30 hours all of the period | |||
| * All times are local Tehran time. Next time change is highlighted. | ||||
More Information
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Tehran
Iran
1:5732pm
Tuesday, May 24, 2022