IST to AFT Converter
Quick answers
IST is 1 hour ahead of AFT. IST uses GMT +5:30, and AFT uses GMT +4:30 for this comparison.
For example, 5:30 pm IST is 4:30 pm AFT. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 10am-5pm IST, which is 9am-4pm AFT.
Compare IST time with AFT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 1 hour ahead of Afghanistan Time
5:30 pm17:30 in IST is 4:30 pm16:30 in AFT
IST to AFT call time
Best time for a conference call or a meeting is between 10am-5pm in IST which corresponds to 9am-4pm in AFT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
4:30 pm16:30 Afghanistan Time (AFT). Offset UTC +4:30 hours
5:30 pm17:30 IST / 4:30 pm16:30 AFT
| IST | AFT |
|---|---|
| 12am (midnight) | 11pm |
| 1am | 12am (midnight) |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm (noon) | 11am |
| 1pm | 12pm (noon) |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |
| 00:00 | 23:00 |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
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
