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IST to ICT Converter

ICT is 1 hours and 30 minutes ahead of IST

Current IST Time
--:--:-- --
Asia/Kolkata
Current ICT Time
--:--:-- --
Asia/Bangkok
Time Diff
1h 30m ahead
IST
UTC+5:30
ICT
UTC+7
Overlapping hours: 9:00 AM – 3.5:00 PM IST (6.5h)

IST to ICT Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in ICT

IST to ICT time conversion table showing all 24 hours
IST ICT
12:00 AM 1:30 AM
1:00 AM 2:30 AM
2:00 AM 3:30 AM
3:00 AM 4:30 AM
4:00 AM 5:30 AM
5:00 AM 6:30 AM
6:00 AM 7:30 AM
7:00 AM 8:30 AM
8:00 AM 9:30 AM
9:00 AM 10:30 AM
10:00 AM 11:30 AM
11:00 AM 12:30 PM
12:00 PM 1:30 PM
1:00 PM 2:30 PM
2:00 PM 3:30 PM
3:00 PM 4:30 PM
4:00 PM 5:30 PM
5:00 PM 6:30 PM
6:00 PM 7:30 PM
7:00 PM 8:30 PM
8:00 PM 9:30 PM
9:00 PM 10:30 PM
10:00 PM 11:30 PM
11:00 PM 12:30 AM +1d

Converting India Standard Time to Indochina Time

India Standard Time (IST) and Indochina Time (ICT) are separated by a 1 hours and 30 minutes time difference. ICT is 1 hours and 30 minutes ahead of IST. IST is UTC+5:30, used in India, Sri Lanka, while ICT is UTC+7, used in Thailand, Vietnam, Cambodia.

When converting from IST to ICT, the key reference points to remember are: 9:00 AM IST equals 10:30 AM ICT, 12:00 PM noon IST equals 1:30 PM ICT, and 5:00 PM IST equals 6:30 PM ICT. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across IST and ICT

For professionals scheduling meetings between IST and ICT, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 1 hours and 30 minutes difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

IST does not observe Daylight Saving Time, maintaining UTC+5:30 year-round. ICT does not observe DST, staying at UTC+7 year-round.

Frequently Asked Questions

What is the time difference between IST and ICT?
Indochina Time (ICT) is 1 hours and 30 minutes ahead of India Standard Time (IST). When it is 12:00 PM noon in IST, it is 1:30 PM in ICT.
How do I convert IST to ICT?
To convert IST to ICT, add 1 hours and 30 minutes to the IST time. For example, 9:00 AM IST is 10:30 AM ICT. Use the conversion table above for a quick reference of all 24 hours.
Does IST or ICT observe Daylight Saving Time?
IST does not observe Daylight Saving Time. ICT does not observe Daylight Saving Time. During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between IST and ICT?
The best time to schedule a call between IST and ICT is during overlapping business hours. If you are in IST, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in ICT.
Is IST ahead or behind ICT?
IST (UTC+5:30) is 1 hours and 30 minutes behind ICT (UTC+7). IST corresponds to the IANA time zone Asia/Kolkata, while ICT corresponds to Asia/Bangkok.

Related Conversions

Time Zone Info