Flag for Iran Clock Changes in Tehran, Iran in 2000

Next change:
Mar
22
1 hour Forward

Mar 22, 2017, 12:00 midnight

Start DST: Tuesday, March 21, 2000
 1 hour forward

End DST: Wednesday, September 20, 2000
 1 hour backward

Location of TehranLocation

Mar 21

Forward 1 hour

Mar 21, 2000 - Daylight Saving Time Started

When local standard time was about to reach
Tuesday, March 21, 2000, 12:00:00 midnight clocks were turned forward 1 hour to
Tuesday, March 21, 2000, 1:00:00 am local daylight time instead

Sunrise and sunset was about 1 hour later on Mar 21, 2000 than the day before. There was more light in the evening.

Also called Spring Forward, Summer Time, and Daylight Savings Time.

Sep 21

Back 1 hour

Sep 21, 2000 - Daylight Saving Time Ended

When local daylight time was about to reach
Thursday, September 21, 2000, 12:00:00 midnight clocks were turned backward 1 hour to
Wednesday, September 20, 2000, 11:00:00 pm local standard time instead

Sunrise and sunset was about 1 hour earlier on Sep 21, 2000 than the day before. There was more light in the morning.

Also called Fall Back and Winter Time.

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Other years: 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003

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