Tehran, Iran
Tehran is the capital of Iran |
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| Daylight Saving Time started | When local standard time is about to reach
Midnight between Friday, March 21, 2003 and Saturday, March 22, 2003 clocks are turned forward 1 hour to
Saturday, March 22, 2003 at 1:00:00 AM local daylight time instead Seconds before and after the change:
| Local time | DST? | UTC offset | Zone name |
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| Friday, March 21, 2003 at 11:59:57 PM | No | +3:30 hours | IRST | | Friday, March 21, 2003 at 11:59:58 PM | No | +3:30 hours | IRST | | Friday, March 21, 2003 at 11:59:59 PM | No | +3:30 hours | IRST | | Saturday, March 22, 2003 at 1:00:00 AM | 1 hour | +4:30 hours | IRDT | | Saturday, March 22, 2003 at 1:00:01 AM | 1 hour | +4:30 hours | IRDT | | Saturday, March 22, 2003 at 1:00:02 AM | 1 hour | +4:30 hours | IRDT |
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| Daylight Saving Time ended | When local daylight time is about to reach
Midnight between Sunday, September 21, 2003 and Monday, September 22, 2003 clocks are turned backward 1 hour to
Sunday, September 21, 2003 at 11:00:00 PM local standard time instead Seconds before and after the change:
| Local time | DST? | UTC offset | Zone name |
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| Sunday, September 21, 2003 at 11:59:57 PM | 1 hour | +4:30 hours | IRDT | | Sunday, September 21, 2003 at 11:59:58 PM | 1 hour | +4:30 hours | IRDT | | Sunday, September 21, 2003 at 11:59:59 PM | 1 hour | +4:30 hours | IRDT | | Sunday, September 21, 2003 at 11:00:00 PM | No | +3:30 hours | IRST | | Sunday, September 21, 2003 at 11:00:01 PM | No | +3:30 hours | IRST | | Sunday, September 21, 2003 at 11:00:02 PM | No | +3:30 hours | IRST |
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| See other years | |
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Additional time-related services for Tehran: |
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