Sep 22, 2022, 12:00 midnight
| Start DST: | Sunday, March 22, 2009 — 1 hour forward |
|---|---|
| End DST: | Monday, September 21, 2009 — 1 hour backward |
Mar 22
Forward 1 hour
Mar 22, 2009 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, March 22, 2009, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, March 22, 2009, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 22, 2009 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Sep 22
Back 1 hour
Sep 22, 2009 - Daylight Saving Time Ended
When local daylight time was about to reach
Tuesday, September 22, 2009, 12:00:00 midnight clocks were turned backward 1 hour to
Monday, September 21, 2009, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 22, 2009 than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
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) |
|---|---|---|
| 2000 | Tuesday, March 21, 12:00 midnight | Thursday, September 21, 12:00 midnight |
| 2001 | Thursday, March 22, 12:00 midnight | Saturday, September 22, 12:00 midnight |
| 2002 | Friday, March 22, 12:00 midnight | Sunday, September 22, 12:00 midnight |
| 2003 | Saturday, March 22, 12:00 midnight | Monday, September 22, 12:00 midnight |
| 2004 | Sunday, March 21, 12:00 midnight | Tuesday, September 21, 12:00 midnight |
| 2005 | Tuesday, March 22, 12:00 midnight | Thursday, September 22, 12:00 midnight |
| 2006 — 2007 | DST not observed | |
| 2008 | Friday, March 21, 12:00 midnight | Sunday, September 21, 12:00 midnight |
| 2009 | Sunday, March 22, 12:00 midnight | Tuesday, September 22, 12:00 midnight |
| All times are local for Tehran. | ||