Last change: 2022
Sep
22
1 hour Back
Sep 22, 2022, 12:00 midnight
| No further time changes in 1990 in Tehran |
Daylight Saving Time (DST) Not Observed in Year 1990
Iran observed Iran Standard Time (IRST) all year.
DST was not in use in 1990.
The previous DST change in Tehran, Iran was on September 22, 1980.
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) |
|---|---|---|
| 1990 | DST not observed | |
| 1991 | Friday, May 3, 12:00 midnight | Sunday, September 22, 12:00 midnight |
| 1992 | Sunday, March 22, 12:00 midnight | Tuesday, September 22, 12:00 midnight |
| 1993 | Monday, March 22, 12:00 midnight | Wednesday, September 22, 12:00 midnight |
| 1994 | Tuesday, March 22, 12:00 midnight | Thursday, September 22, 12:00 midnight |
| 1995 | Wednesday, March 22, 12:00 midnight | Friday, September 22, 12:00 midnight |
| 1996 | Thursday, March 21, 12:00 midnight | Saturday, September 21, 12:00 midnight |
| 1997 | Saturday, March 22, 12:00 midnight | Monday, September 22, 12:00 midnight |
| 1998 | Sunday, March 22, 12:00 midnight | Tuesday, September 22, 12:00 midnight |
| 1999 | Monday, March 22, 12:00 midnight | Wednesday, September 22, 12:00 midnight |
| All times are local for Tehran. | ||