IST to ICT 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 ICT, 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). ICT (Indochina Time) is used in Thailand, Vietnam, Cambodia, Laos.
IST here means India Standard Time, not Irish or Israel Standard Time.
IST to ICT time conversion table
IST to ICT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| IST | ICT | 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 ICT
Add 1 hour 30 minutes to the IST time to get ICT.
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 ICT
The time difference between IST and ICT is 1 hour 30 minutes all year – ICT is ahead of IST.
IST and ICT during daylight saving time
- IST does not observe daylight saving time; it stays on UTC+5:30 all year.
- ICT does not observe daylight saving time; it stays on UTC+7 all year.
Best time for a meeting between IST and ICT
IST and ICT 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 ICT FAQ
What is the time difference between IST and ICT?
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 ICT?
9:00 AM IST is 10:30 AM ICT.
What is 12 PM (noon) IST in ICT?
12:00 PM IST is 1:30 PM ICT.
Is ICT ahead of or behind IST?
ICT is 1 hour 30 minutes ahead of IST, so it is later in ICT 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 ICT change for daylight saving time?
No. ICT 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 ICT?
IST and ICT 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 ICT to IST
Convert IST to other time zones
Convert other time zones to ICT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.