IST to EAT Converter
Quick answers
IST is 2 hours and 30 minutes ahead of EAT. IST uses GMT +5:30, and EAT uses GMT +3 for this comparison.
For example, 5:30 pm IST is 3:00 pm EAT. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 11:30am-5pm IST, which is 9am-2:30pm EAT.
Compare IST time with EAT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 2 hours and 30 minutes ahead of Eastern Africa Time
5:30 pm17:30 in IST is 3:00 pm15:00 in EAT
IST to EAT call time
Best time for a conference call or a meeting is between 11:30am-5pm in IST which corresponds to 9am-2:30pm in EAT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
3:00 pm15:00 Eastern Africa Time (EAT). Offset UTC +3:00 hours
5:30 pm17:30 IST / 3:00 pm15:00 EAT
| IST | EAT |
|---|---|
| 12am (midnight) | 9:30 pm |
| 1am | 10:30 pm |
| 2am | 11:30 pm |
| 3am | 12:30 am |
| 4am | 1:30 am |
| 5am | 2:30 am |
| 6am | 3:30 am |
| 7am | 4:30 am |
| 8am | 5:30 am |
| 9am | 6:30 am |
| 10am | 7:30 am |
| 11am | 8:30 am |
| 12pm (noon) | 9:30 am |
| 1pm | 10:30 am |
| 2pm | 11:30 am |
| 3pm | 12:30 pm |
| 4pm | 1:30 pm |
| 5pm | 2:30 pm |
| 6pm | 3:30 pm |
| 7pm | 4:30 pm |
| 8pm | 5:30 pm |
| 9pm | 6:30 pm |
| 10pm | 7:30 pm |
| 11pm | 8:30 pm |
| 00:00 | 21:30 |
| 01:00 | 22:30 |
| 02:00 | 23:30 |
| 03:00 | 00:30 |
| 04:00 | 01:30 |
| 05:00 | 02:30 |
| 06:00 | 03:30 |
| 07:00 | 04:30 |
| 08:00 | 05:30 |
| 09:00 | 06:30 |
| 10:00 | 07:30 |
| 11:00 | 08:30 |
| 12:00 | 09:30 |
| 13:00 | 10:30 |
| 14:00 | 11:30 |
| 15:00 | 12:30 |
| 16:00 | 13:30 |
| 17:00 | 14:30 |
| 18:00 | 15:30 |
| 19:00 | 16:30 |
| 20:00 | 17:30 |
| 21:00 | 18:30 |
| 22:00 | 19:30 |
| 23:00 | 20:30 |
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
Eastern Africa Time
Offset: EAT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Africa
Countries using this time zone: Djibouti, Eritrea, Ethiopia, Kenya, Comoros, Madagascar, Somalia, Tanzania, Uganda, Mayotte
Principal Cities: The largest city in the EAT time zone is Addis Ababa in Ethiopia, with about 2.758 million people. Other major cities in this time zone include Nairobi, Dar es Salaam, Mogadishu, Antananarivo.
Daylight Saving: Clocks in Eastern Africa Time (EAT) do not change for daylight saving time, so EAT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

EAT 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 EAT
- C - short form of 'Charlie'
- Africa/Addis_Ababa
- Africa/Asmara
- Africa/Asmera
- Africa/Dar_es_Salaam
- Africa/Djibouti
- Africa/Kampala
- Africa/Mogadishu
- Africa/Nairobi
- Indian/Antananarivo
- Indian/Comoro
- Indian/Mayotte
- 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
