IRST to Old City Time Converter
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Quick answers
Selected conversion
3:30 pm15:30 IRST (UTC+3:30), Oct 27, 2026 = 2:00 pm14:00 IST (UTC+2), Oct 27, 2026
IRST is 1 hour and 30 minutes ahead of Old City.
How the time difference changes
For most of the year, IRST is 30 minutes ahead of Old City. From Oct 25, 2026 to Mar 26, 2027, IRST is 1 hour and 30 minutes ahead of Old City.
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 Old City. 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 Old City.For most of the year, working hours of 09:00 to 18:00 in IRST correspond to 08:30 to 17:30 in Old City. At other times of the year, working hours of 09:00 to 18:00 in IRST correspond to 07:30 to 16:30 in Old City.
Compare IRST time with Old City time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 1 hour and 30 minutes ahead of IST (Israel Standard Time).
3:30 pm15:30 in IRST is 2:00 pm14:00 in Old City, Palestinian Territory
IRST to Old City call time
Best time for a conference call or a meeting is between 10:30am-6pm10:30-18:00 in IRST which corresponds to 9am-4:30pm09:00-16:30 in Old City
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
2:00 pm14:00 IST (Israel Standard Time) (Old City, Palestinian Territory). Offset UTC +2:00 hours
3:30 pm15:30 IRST / 2:00 pm14:00 Old City, Palestinian Territory
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| IRST | Old City, Palestinian Territory |
|---|---|
| 10:30pm previous day | |
| 11:30pm previous day | |
| 12:30am | |
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| 3:30am | |
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| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 22:30 previous day | |
| 23:30 previous day | |
| 00:30 | |
| 01:30 | |
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| 05:30 | |
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| 07:30 | |
| 08:30 | |
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| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 |
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.
Old City Time Zone and Facts
Time Zone
IDT – Israel Daylight Time, UTC+3 (daylight saving time)