IST to TLT Converter
Quick answers
IST is 3 hours and 30 minutes behind TLT year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 12:30 pm to 8:30 pm in TLT.
For example, 5:30 pm IST is 9:00 pm TLT. Use the converter above to adjust the date or time and create a shareable meeting link.
Best meeting overlap: 9am-1:30pm IST, which is 12:30pm-5pm TLT.
Compare IST time with TLT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 3 hours and 30 minutes behind East Timor Time
5:30 pm17:30 in IST is 9:00 pm21:00 in TLT
IST to TLT call time
Best time for a conference call or a meeting is between 9am-1:30pm in IST which corresponds to 12:30pm-5pm in TLT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 pm21:00 East Timor Time (TLT). Offset UTC +9:00 hours
5:30 pm17:30 IST / 9:00 pm21:00 TLT
| IST | TLT |
|---|---|
| 12am (midnight) | 3:30 am |
| 1am | 4:30 am |
| 2am | 5:30 am |
| 3am | 6:30 am |
| 4am | 7:30 am |
| 5am | 8:30 am |
| 6am | 9:30 am |
| 7am | 10:30 am |
| 8am | 11:30 am |
| 9am | 12:30 pm |
| 10am | 1:30 pm |
| 11am | 2:30 pm |
| 12pm (noon) | 3:30 pm |
| 1pm | 4:30 pm |
| 2pm | 5:30 pm |
| 3pm | 6:30 pm |
| 4pm | 7:30 pm |
| 5pm | 8:30 pm |
| 6pm | 9:30 pm |
| 7pm | 10:30 pm |
| 8pm | 11:30 pm |
| 9pm | 12:30 am |
| 10pm | 1:30 am |
| 11pm | 2:30 am |
| 00:00 | 03:30 |
| 01:00 | 04:30 |
| 02:00 | 05:30 |
| 03:00 | 06:30 |
| 04:00 | 07:30 |
| 05:00 | 08:30 |
| 06:00 | 09:30 |
| 07:00 | 10:30 |
| 08:00 | 11:30 |
| 09:00 | 12:30 |
| 10:00 | 13:30 |
| 11:00 | 14:30 |
| 12:00 | 15:30 |
| 13:00 | 16:30 |
| 14:00 | 17:30 |
| 15:00 | 18:30 |
| 16:00 | 19:30 |
| 17:00 | 20:30 |
| 18:00 | 21:30 |
| 19:00 | 22:30 |
| 20:00 | 23:30 |
| 21:00 | 00:30 |
| 22:00 | 01:30 |
| 23:00 | 02:30 |
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
East Timor Time
Offset: TLT is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: East Timor
Principal Cities: The largest city in the TLT time zone is Dili in East Timor, with about 150,000 people. Other major cities in this time zone include Same, Maliana, Suai, Liquica.
Daylight Saving: Clocks in East Timor Time (TLT) do not change for daylight saving time, so TLT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

TLT representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for TLT
- I - short form of 'India'
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
