Last change: 2022
Sep
22
1 hour Back
Sep 22, 2022, 12:00 midnight
| No further time changes in 2025 in 32°34'14.4"N, 54°16'37.0"E |

Daylight Saving Time (DST) Not Observed in Year 2025
Iran currently observes Iran Standard Time (IRST) all year.
DST is no longer in use.
Clocks do not change in 32°34'14.4"N, 54°16'37.0"E, Iran.
The previous DST change in 32°34'14.4"N, 54°16'37.0"E, Iran was on September 21, 2022.
Try selecting a different year below.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST Start (Clock Forward) | DST End (Clock Backward) |
|---|---|---|
| 2020 | Saturday, March 21, 12:00 midnight | Monday, September 21, 12:00 midnight |
| 2021 | Monday, March 22, 12:00 midnight | Wednesday, September 22, 12:00 midnight |
| 2022 | Tuesday, March 22, 12:00 midnight | Thursday, September 22, 12:00 midnight |
| 2023 — 2029 | DST not observed | |
| All times are local for 32°34'14.4"N, 54°16'37.0"E. Current year is highlighted. | ||
Data for the years before 1970 is not available for 32°34'14.4"N, 54°16'37.0"E, however, we have earlier time zone history for Tehran available.
Detailed time zone and clock changes in 32°34'14.4"N, 54°16'37.0"E