IRST to C Converter
Quick answers
IRST is 30 minutes ahead of C. IRST uses GMT +3:30, and C uses GMT +3 for this comparison.
For example, 3:30 pm IRST is 3:00 pm C. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9:30am-5pm IRST, which is 9am-4:30pm C.
Compare IRST time with C time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Iran Standard Time is 0 hours and 30 minutes ahead of Charlie Time Zone
3:30 pm15:30 in IRST is 3:00 pm15:00 in C
IRST to C call time
Best time for a conference call or a meeting is between 9:30am-5pm in IRST which corresponds to 9am-4:30pm in C
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
3:00 pm15:00 Charlie Time Zone (C). Offset UTC +3:00 hours
3:30 pm15:30 IRST / 3:00 pm15:00 C
| IRST | C |
|---|---|
| 12am (midnight) | 11:30 pm |
| 1am | 12:30 am |
| 2am | 1:30 am |
| 3am | 2:30 am |
| 4am | 3:30 am |
| 5am | 4:30 am |
| 6am | 5:30 am |
| 7am | 6:30 am |
| 8am | 7:30 am |
| 9am | 8:30 am |
| 10am | 9:30 am |
| 11am | 10:30 am |
| 12pm (noon) | 11:30 am |
| 1pm | 12:30 pm |
| 2pm | 1:30 pm |
| 3pm | 2:30 pm |
| 4pm | 3:30 pm |
| 5pm | 4:30 pm |
| 6pm | 5:30 pm |
| 7pm | 6:30 pm |
| 8pm | 7:30 pm |
| 9pm | 8:30 pm |
| 10pm | 9:30 pm |
| 11pm | 10:30 pm |
| 00:00 | 23:30 |
| 01:00 | 00:30 |
| 02:00 | 01:30 |
| 03:00 | 02:30 |
| 04:00 | 03:30 |
| 05:00 | 04:30 |
| 06:00 | 05:30 |
| 07:00 | 06:30 |
| 08:00 | 07:30 |
| 09:00 | 08:30 |
| 10:00 | 09:30 |
| 11:00 | 10:30 |
| 12:00 | 11:30 |
| 13:00 | 12:30 |
| 14:00 | 13:30 |
| 15:00 | 14:30 |
| 16:00 | 15:30 |
| 17:00 | 16:30 |
| 18:00 | 17:30 |
| 19:00 | 18:30 |
| 20:00 | 19:30 |
| 21:00 | 20:30 |
| 22:00 | 21:30 |
| 23:00 | 22:30 |
Iran Standard Time
Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
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.
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.
Charlie Time Zone
Offset: C is 3 hours ahead Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Charlie Time Zone (C) do not change for daylight saving time, so C stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
C representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for C
- C - short form of 'Charlie'
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time