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Clock changes in Tehran

Flag for IranTehran, Iran
Tehran is the capital of Iran

Time change dates in 2013

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2013 SummaryDaylight Saving Time started on Friday, March 22 and ends on Saturday, September 21.

Daylight Saving Time started

Mar 22
Image showing the time change

Forward 1 hour

When local standard time was about to reach
Friday, March 22, 2013 at 12:00:00 Midnight clocks were turned forward 1 hour to
Friday, March 22, 2013 at 1:00:00 AM local daylight time instead

Sunrise and sunset will both be about 1 hour later on Mar 22, 2013 than the day before: More daylight in the evening

Seconds before and after the time change forward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Thursday, March 21, 201311:59:57 PMNoUTC+3:30hIRST
11:59:58 PMNoUTC+3:30hIRST
11:59:59 PMNoUTC+3:30hIRST
Friday, March 22, 201312:00:00 Midnight → 1:00:00 AM+1hUTC+4:30hIRDT
1:00:01 AM+1hUTC+4:30hIRDT
1:00:02 AM+1hUTC+4:30hIRDT

Daylight Saving Time ends

Sep 21
Image showing the time change

Back 1 hour

When local daylight time is about to reach
Sunday, September 22, 2013 at 12:00:00 Midnight clocks are turned backward 1 hour to
Saturday, September 21, 2013 at 11:00:00 PM local standard time instead

Sunrise and sunset will both be about 1 hour earlier on Sep 21, 2013 than the day before: More daylight in the morning

Seconds before and after the time change backward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Saturday, September 21, 201311:59:57 PM+1hUTC+4:30hIRDT
11:59:58 PM+1hUTC+4:30hIRDT
11:59:59 PM+1hUTC+4:30hIRDT
12:00:00 Midnight → 11:00:00 PMNoUTC+3:30hIRST
11:00:01 PMNoUTC+3:30hIRST
11:00:02 PMNoUTC+3:30hIRST
See other years
 

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