IST to Ulan Bator Time 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 13, 2026 = 8:00 pm20:00 ULAT (UTC+8), Oct 13, 2026
IST is 2 hours and 30 minutes behind Ulan Bator.
How the time difference changes
IST is 2 hours and 30 minutes behind Ulan Bator year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 11:30 am to 7:30 pm in Ulan Bator.Working hours of 09:00 to 17:00 in IST correspond to 11:30 to 19:30 in Ulan Bator.
Compare IST time with Ulan Bator 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 behind ULAT (Ulaanbaatar Time).
5:30 pm17:30 in IST is 8:00 pm20:00 in Ulan Bator, Mongolia
IST to Ulan Bator call time
Best time for a conference call or a meeting is between 9am-2:30pm09:00-14:30 in IST which corresponds to 11:30am-5pm11:30-17:00 in Ulan Bator
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
8:00 pm20:00 ULAT (Ulaanbaatar Time) (Ulan Bator, Mongolia). Offset UTC +8:00 hours
5:30 pm17:30 IST / 8:00 pm20:00 Ulan Bator, Mongolia
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 | Ulan Bator, Mongolia |
|---|---|
| 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 | |
| 1:30am next day | |
| 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 | |
| 01:30 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