IST to Bangkok Time Converter
ICT is 1 hour 30 minutes ahead of IST. 9:00 AM IST = 10:30 AM ICT.
ICT is 1 hour 30 minutes ahead of IST. To convert IST to Bangkok Time, add 1 hour 30 minutes to the IST time: 9:00 AM IST = 10:30 AM ICT.
IST (India Time) is used in India and Sri Lanka (UTC+5:30, no daylight saving time). Bangkok Time (Bangkok time) is used in Bangkok, Thailand.
IST here means India Standard Time, not Irish or Israel Standard Time.
IST to Bangkok Time time conversion table
IST to Bangkok Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| IST | Bangkok Time | Day |
|---|---|---|
| 12:00 AM IST | 1:30 AM ICT | night |
| 1:00 AM IST | 2:30 AM ICT | night |
| 2:00 AM IST | 3:30 AM ICT | night |
| 3:00 AM IST | 4:30 AM ICT | night |
| 4:00 AM IST | 5:30 AM ICT | night |
| 5:00 AM IST | 6:30 AM ICT | — |
| 6:00 AM IST | 7:30 AM ICT | — |
| 7:00 AM IST | 8:30 AM ICT | — |
| 8:00 AM IST | 9:30 AM ICT | — |
| 9:00 AM IST | 10:30 AM ICT | work hours |
| 10:00 AM IST | 11:30 AM ICT | work hours |
| 11:00 AM IST | 12:30 PM ICT | work hours |
| 12:00 PM IST | 1:30 PM ICT | work hours |
| 1:00 PM IST | 2:30 PM ICT | work hours |
| 2:00 PM IST | 3:30 PM ICT | work hours |
| 3:00 PM IST | 4:30 PM ICT | work hours |
| 4:00 PM IST | 5:30 PM ICT | — |
| 5:00 PM IST | 6:30 PM ICT | — |
| 6:00 PM IST | 7:30 PM ICT | — |
| 7:00 PM IST | 8:30 PM ICT | — |
| 8:00 PM IST | 9:30 PM ICT | — |
| 9:00 PM IST | 10:30 PM ICT | night |
| 10:00 PM IST | 11:30 PM ICT | night |
| 11:00 PM IST | 12:30 AM ICT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert IST to Bangkok Time
Add 1 hour 30 minutes to the IST time to get Bangkok Time.
Example: 9:00 AM IST = 10:30 AM ICT.
Across midnight: 11:00 PM IST = 12:30 AM ICT (next day). The date changes, so always check the day as well as the hour.
Time difference between IST and Bangkok Time
The time difference between IST and Bangkok Time is 1 hour 30 minutes all year – ICT is ahead of IST.
IST and Bangkok Time during daylight saving time
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
- Bangkok Time does not observe daylight saving time; it stays on UTC+7 all year.
Best time for a meeting between IST and Bangkok Time
IST and Bangkok Time share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:30 PM IST lands between 10:30 AM and 5:00 PM ICT, inside working hours for both.
IST to Bangkok Time FAQ
What is the time difference between IST and Bangkok Time?
ICT is 1 hour 30 minutes ahead of IST all year. 9:00 AM IST = 10:30 AM ICT.
What is 9 AM IST in Bangkok Time?
9:00 AM IST is 10:30 AM ICT.
What is 12 PM (noon) IST in Bangkok Time?
12:00 PM IST is 1:30 PM ICT.
Is Bangkok Time ahead of or behind IST?
ICT is 1 hour 30 minutes ahead of IST, so it is later in Bangkok Time than in IST.
Does IST change for daylight saving time?
No. IST stays on the same offset all year, so conversions never shift for daylight saving time.
Does Bangkok Time change for daylight saving time?
No. Bangkok Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between IST and Bangkok Time?
IST and Bangkok Time share 6 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:30 PM IST lands between 10:30 AM and 5:00 PM ICT, inside working hours for both.
Related conversions
Convert Bangkok Time to IST
Convert IST to other time zones
Convert other time zones to Bangkok Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.