IST to HKT Converter
HKT is 2.5 hours ahead of IST.
IST
Thursday, October 22, 2026
India Standard Time · UTC+5:30
HKT
Thursday, October 22, 2026
Hong Kong Time · UTC+8
Convert IST to HKT
IST 17:39 = HKT 20:09
IST to HKT time chart, hour by hour
| IST | HKT |
|---|
| 00:00 | 02:30 |
| 01:00 | 03:30 |
| 02:00 | 04:30 |
| 03:00 | 05:30 |
| 04:00 | 06:30 |
| 05:00 | 07:30 |
| 06:00 | 08:30 |
| 07:00 | 09:30 |
| 08:00 | 10:30 |
| 09:00 | 11:30 |
| 10:00 | 12:30 |
| 11:00 | 13:30 |
| 12:00 | 14:30 |
| 13:00 | 15:30 |
| 14:00 | 16:30 |
| 15:00 | 17:30 |
| 16:00 | 18:30 |
| 17:00 | 19:30 |
| 18:00 | 20:30 |
| 19:00 | 21:30 |
| 20:00 | 22:30 |
| 21:00 | 23:30 |
| 22:00 | 00:30 +1 day |
| 23:00 | 01:30 +1 day |
Highlighted rows fall within 09:00–18:00 in both places: 7 shared working hours.
How many hours is IST behind HKT?
As abbreviations, HKT is always 2.5 hours ahead of IST: IST is UTC+5:30 and HKT is UTC+8. To convert, add 2.5 hours.
Does the IST to HKT time difference change?
No. Hkt is 2.5 hours ahead of ist all year, because neither place changes its clocks.
Calling hours for IST and HKT
- When HKT is 2.5 hours ahead of IST: 6 shared office hours, 09:00 to 15:00 in IST (11:30 to 17:30 in HKT).
Frequently asked questions about IST and HKT time
How many hours ahead is HKT of IST?
HKT (UTC+8) is 2.5 hours ahead of IST (UTC+5:30).
Does the time difference between IST and HKT change during the year?
No, it stays 2.5 hours ahead all year because neither place changes its clocks.