IRST to AFT Converter
Quick answers
IRST is 1 hour behind AFT. IRST uses GMT +3:30, and AFT uses GMT +4:30 for this comparison.
For example, 3:30 pm IRST is 4:30 pm AFT. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9am-4pm IRST, which is 10am-5pm AFT.
Compare IRST time with AFT 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 behind Afghanistan Time
3:30 pm15:30 in IRST is 4:30 pm16:30 in AFT
IRST to AFT call time
Best time for a conference call or a meeting is between 9am-4pm in IRST which corresponds to 10am-5pm in AFT
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
4:30 pm16:30 Afghanistan Time (AFT). Offset UTC +4:30 hours
3:30 pm15:30 IRST / 4:30 pm16:30 AFT
| IRST | AFT |
|---|---|
| 12am (midnight) | 1am |
| 1am | 2am |
| 2am | 3am |
| 3am | 4am |
| 4am | 5am |
| 5am | 6am |
| 6am | 7am |
| 7am | 8am |
| 8am | 9am |
| 9am | 10am |
| 10am | 11am |
| 11am | 12pm (noon) |
| 12pm (noon) | 1pm |
| 1pm | 2pm |
| 2pm | 3pm |
| 3pm | 4pm |
| 4pm | 5pm |
| 5pm | 6pm |
| 6pm | 7pm |
| 7pm | 8pm |
| 8pm | 9pm |
| 9pm | 10pm |
| 10pm | 11pm |
| 11pm | 12am (midnight) |
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 |
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.
Afghanistan Time
Offset: AFT is 4 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Afghanistan
Principal Cities: The largest city in the AFT time zone is Kabul in Afghanistan, with about 3.044 million people. Other major cities in this time zone include Kandahar, Mazar e Sharif, Herat, Jalalabad.
Daylight Saving: Clocks in Afghanistan Time (AFT) do not change for daylight saving time, so AFT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
AFT representations, usage and related time zones
- +0430 - basic
- +04:30 - extended
- +0430 - sign character (+) followed by a four digit time providing hours (04) and minutes (30) of the offset. Indicates an offset of four hours and thirty minutes to the east of the zero meridian.
- AFT - Afghanistan Time
- IRDT - Iran Daylight Time