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 2018

<2017 | 2019> | Choose year...
2018 SummaryDaylight Saving Time starts on Thursday, March 22 and ends on Friday, September 21.

Daylight Saving Time starts

Mar 22
Image showing the time change

Forward 1 hour

When local standard time is about to reach
Thursday, March 22, 2018 at 12:00:00 Midnight clocks are turned forward 1 hour to
Thursday, March 22, 2018 at 1:00:00 AM local daylight time instead

Sunrise and sunset will both be about 1 hour later on Mar 22, 2018 than the day before: More daylight in the evening

Seconds before and after the time change forward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Wednesday, March 21, 201811:59:57 PMNoUTC+3:30hIRST
11:59:58 PMNoUTC+3:30hIRST
11:59:59 PMNoUTC+3:30hIRST
Thursday, March 22, 201812:00:00 Midnight → 1:00:00 AM+1hUTC+4:30hIRDT
1:00:01 AM+1hUTC+4:30hIRDT
1:00:02 AM+1hUTC+4:30hIRDT

Please note that dates might change in the future

Daylight Saving Time ends

Sep 21
Image showing the time change

Back 1 hour

When local daylight time is about to reach
Saturday, September 22, 2018 at 12:00:00 Midnight clocks are turned backward 1 hour to
Friday, September 21, 2018 at 11:00:00 PM local standard time instead

Sunrise and sunset will both be about 1 hour earlier on Sep 21, 2018 than the day before: More daylight in the morning

Seconds before and after the time change backward
Local DateLocal TimeDSTUTC
Offset		Time
Zone
Friday, September 21, 201811:59:57 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

Please note that dates might change in the future

See other years
 

Time Zone Calculators for Tehran

Advertising

More information

Related links

Related time zone tools