| Current: | IRDT — Iran Daylight Time |
|---|---|
| Next Change: | IRST — Iran Standard Time |
| Current Offset: | UTC/GMT +4:30 hours |
| Difference: | 2:30 hours ahead of Amiens |
2021 Time Zones - Tehran
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 2020 | Sat, 21 Mar, 00:00 | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Mon, 21 Sep, 00:00 | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2021 | Mon, 22 Mar, 00:00 | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Wed, 22 Sep, 00:00 | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2022 | Tue, 22 Mar, 00:00 | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Thu, 22 Sep, 00:00 | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2023 | Wed, 22 Mar, 00:00 | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Fri, 22 Sep, 00:00 | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| 2024 | Thu, 21 Mar, 00:00 | IRST → IRDT | +1 hour (DST start) | UTC+4:30h |
| Sat, 21 Sep, 00:00 | IRDT → IRST | -1 hour (DST end) | UTC+3:30h | |
| * All times are local Tehran time. Next time change is highlighted. | ||||
More Information
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Tehran
Iran
17:2212
Tuesday, 4 May 2021