IST to Bangkok Time Converter
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Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 12, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 12, 2026
IST is 1 hour and 30 minutes behind Bangkok.
How the time difference changes
IST is 1 hour and 30 minutes behind Bangkok year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 10:30 am to 6:30 pm in Bangkok.Working hours of 09:00 to 17:00 in IST correspond to 10:30 to 18:30 in Bangkok.
Compare IST time with Bangkok 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 and 30 minutes behind ICT (Indochina Time).
5:30 pm17:30 in IST is 7:00 pm19:00 in Bangkok, Thailand
IST to Bangkok call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in IST which corresponds to 10:30am-5pm10:30-17:00 in Bangkok
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 ICT (Indochina Time) (Bangkok, Thailand). Offset UTC +7:00 hours
5:30 pm17:30 IST / 7:00 pm19:00 Bangkok, Thailand
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 | Bangkok, Thailand |
|---|---|
| 1:30am | |
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day |
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.
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