IST to TRT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 21, 2026 = 3:00 pm15:00 TRT (UTC+3), Oct 21, 2026
IST is 2 hours and 30 minutes ahead of TRT.
IST and TRT examples
These examples always use IST (UTC+5:30) and TRT (UTC+3). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 2 hours and 30 minutes ahead of TRT.
How the time difference changes
IST is 2 hours and 30 minutes ahead of TRT year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 6:30 am to 3:30 pm in TRT.Working hours of 09:00 to 18:00 in IST correspond to 06:30 to 15:30 in TRT.
Compare IST time with TRT 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 Turkey Time.
5:30 pm17:30 in IST is 3:00 pm15:00 in TRT
IST to TRT call time
Best time for a conference call or a meeting is between 11:30am-6pm11:30-18:00 in IST which corresponds to 9am-3:30pm09:00-15:30 in TRT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
3:00 pm15:00 Turkey Time (TRT). Offset UTC +3:00 hours
5:30 pm17:30 IST / 3:00 pm15:00 TRT
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.
| IST | TRT |
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| 9:30pm previous day | |
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India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
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, Bengaluru, Hyderabad, Ahmedabad.
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; see upcoming clock changes worldwide.
Current time in India: India time now
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
Turkey Time
Offset: TRT is 3 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Turkey
Principal Cities: The largest city in the TRT time zone is Istanbul in Turkey, with about 15.702 million people. Other major cities in this time zone include Ankara, Bursa, İzmir, Gaziantep.
Daylight Saving: Clocks in Turkey Time (TRT) do not change for daylight saving time, so TRT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in Turkey: Turkey time now
TRT 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 TRT
- 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