IRST to Umm el Fahm Time Converter
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Quick answers
Selected conversion
3:30 pm15:30 IRST (UTC+3:30), Oct 16, 2026 = 3:00 pm15:00 IDT (UTC+3), Oct 16, 2026
IRST is 30 minutes ahead of Umm el Faḥm.
How the time difference changes
For most of the year, IRST is 30 minutes ahead of Umm el Fahm. From Oct 25, 2026 to Mar 26, 2027, IRST is 1 hour and 30 minutes ahead of Umm el Fahm.
For most of the year, working hours of 9:00 am to 6:00 pm in IRST correspond to 8:30 am to 5:30 pm in Umm el Fahm. At other times of the year, working hours of 9:00 am to 6:00 pm in IRST correspond to 7:30 am to 4:30 pm in Umm el Fahm.For most of the year, working hours of 09:00 to 18:00 in IRST correspond to 08:30 to 17:30 in Umm el Fahm. At other times of the year, working hours of 09:00 to 18:00 in IRST correspond to 07:30 to 16:30 in Umm el Fahm.
Compare IRST time with Umm el Fahm time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 30 minutes ahead of IDT (Israel Daylight Time).
3:30 pm15:30 in IRST is 3:00 pm15:00 in Umm el Fahm, Israel
IRST to Umm el Faḥm call time
Best time for a conference call or a meeting is between 9:30am-6pm09:30-18:00 in IRST which corresponds to 9am-5:30pm09:00-17:30 in Umm el Faḥm
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
3:00 pm15:00 IDT (Israel Daylight Time) (Umm el Fahm, Israel). Offset UTC +3:00 hours
3:30 pm15:30 IRST / 3:00 pm15:00 Umm el Fahm, Israel
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| IRST | Umm el Fahm, Israel |
|---|---|
| 11:30pm previous day | |
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| 9:30am | |
| 10:30am | |
| 11:30am | |
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| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 23:30 previous day | |
| 00:30 | |
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| 06:30 | |
| 07:30 | |
| 08:30 | |
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| 16:30 | |
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| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 |
Iran Standard Time
Offset: IRST is 3 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Iran
Principal Cities: The largest city in the IRST time zone is Tehran in Iran, with about 7.153 million people. Other major cities in this time zone include Mashhad, Isfahan, Karaj, Tabriz.
Daylight Saving: Clocks in Iran Standard Time (IRST) do not change for daylight saving time, so IRST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
IRST representations, usage and related time zones
- +0330 - basic
- +03:30 - extended
- +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the east of the zero meridian.
Umm el Faḥm Time Zone and Facts
Time Zone
IST – Israel Standard Time, UTC+2 (standard time)