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Clock Changes in Tehran, Iran 2009

Last change: 2022
Sep
22
1 hour Back

Sep 22, 2022, 12:00 midnight

Start DST: Sunday, March 22, 2009 — 1 hour forward
End DST: Monday, September 21, 2009 — 1 hour backward
Location of TehranLocation

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.

Other years: 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
2000Tuesday, March 21, 12:00 midnightThursday, September 21, 12:00 midnight
2001Thursday, March 22, 12:00 midnightSaturday, September 22, 12:00 midnight
2002Friday, March 22, 12:00 midnightSunday, September 22, 12:00 midnight
2003Saturday, March 22, 12:00 midnightMonday, September 22, 12:00 midnight
2004Sunday, March 21, 12:00 midnightTuesday, September 21, 12:00 midnight
2005Tuesday, March 22, 12:00 midnightThursday, September 22, 12:00 midnight
2006 — 2007DST not observed
2008Friday, March 21, 12:00 midnightSunday, September 21, 12:00 midnight
2009Sunday, March 22, 12:00 midnightTuesday, September 22, 12:00 midnight
All times are local for Tehran.

Detailed time zone and clock changes in Tehran