Main World ClockExtended World ClockPersonal World ClockEvent Time Announcer
Home > Time Zones > World Clock > Clock changes

Clock changes in Tehran

Flag for IranTehran, Iran
Tehran is the capital of Iran

Time change dates in 2012

<2011 | 2013> | Choose year...
2012 SummaryDaylight Saving Time started on Wednesday, March 21 and ended on Thursday, September 20.

Daylight Saving Time started

21
Mar
Image showing the time change

When local standard time was about to reach
Wednesday, March 21, 2012 at 12:00:00 Midnight clocks were turned forward 1 hour to
Wednesday, March 21, 2012 at 1:00:00 AM local daylight time instead

Seconds before and after the time change forward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Tuesday, March 20, 201211:59:57 PMNoUTC+3:30hIRST
11:59:58 PMNoUTC+3:30hIRST
11:59:59 PMNoUTC+3:30hIRST
Wednesday, March 21, 201212:00:00 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 ended

20
Sep
Image showing the time change

When local daylight time was about to reach
Friday, September 21, 2012 at 12:00:00 Midnight clocks were turned backward 1 hour to
Thursday, September 20, 2012 at 11:00:00 PM local standard time instead

Seconds before and after the time change backward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Thursday, September 20, 201211:59:57 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
 

Time Zone Calculators for Tehran

Advertising

More information

Related links

Related time zone tools