Flag Clock changes in Tehran, Iran in 1999

Next change:
Mar
22
1 hour Forward

Mar 22, 2015, 12:00 Midnight

Start DST: Monday, March 22, 1999
 1 hour forward

End DST: Tuesday, September 21, 1999
 1 hour backward

Location of TehranLocation

Mar 22

Forward 1 hour

Mar 22, 1999 - Daylight Saving Time Started

When local standard time was about to reach
Monday, March 22, 1999, 12:00:00 Midnight clocks were turned forward 1 hour to
Monday, March 22, 1999, 1:00:00 AM local daylight time instead

Sunrise and sunset was about 1 hour later on Mar 22, 1999 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, 1999 - Daylight Saving Time Ended

When local daylight time was about to reach
Wednesday, September 22, 1999, 12:00:00 Midnight clocks were turned backward 1 hour to
Tuesday, September 21, 1999, 11:00:00 PM local standard time instead

Sunrise and sunset was about 1 hour earlier on Sep 21, 1999 than the day before. There was more light in the morning.

Also called Fall Back and winter time.

Other years: 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002

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)
1990DST observed all year
1991Friday, May 3, 12:00 MidnightSunday, September 22, 12:00 Midnight
1992Sunday, March 22, 12:00 MidnightTuesday, September 22, 12:00 Midnight
1993Monday, March 22, 12:00 MidnightWednesday, September 22, 12:00 Midnight
1994Tuesday, March 22, 12:00 MidnightThursday, September 22, 12:00 Midnight
1995Wednesday, March 22, 12:00 MidnightFriday, September 22, 12:00 Midnight
1996Thursday, March 21, 12:00 MidnightSaturday, September 21, 12:00 Midnight
1997Saturday, March 22, 12:00 MidnightMonday, September 22, 12:00 Midnight
1998Sunday, March 22, 12:00 MidnightTuesday, September 22, 12:00 Midnight
1999Monday, March 22, 12:00 MidnightWednesday, September 22, 12:00 Midnight
* All times are local for Tehran

Detailed time zone and clock changes in Tehran

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Daylight Saving Time Info