IST to ICT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 23, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 23, 2026
IST is 1 hour and 30 minutes behind ICT.
IST and ICT examples
These examples always use IST (UTC+5:30) and ICT (UTC+7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 1 hour and 30 minutes behind ICT.
How the time difference changes
IST is 1 hour and 30 minutes behind ICT year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 am to 7:30 pm in ICT.Working hours of 09:00 to 18:00 in IST correspond to 10:30 to 19:30 in ICT.
Compare IST time with ICT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 1 hour and 30 minutes behind Indochina Time.
5:30 pm17:30 in IST is 7:00 pm19:00 in ICT
IST to ICT call time
Best time for a conference call or a meeting is between 9am-4:30pm09:00-16:30 in IST which corresponds to 10:30am-6pm10:30-18:00 in ICT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 Indochina Time (ICT). Offset UTC +7:00 hours
5:30 pm17:30 IST / 7:00 pm19:00 ICT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| IST | ICT |
|---|---|
| 1:30am | |
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
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, Bengaluru, Hyderabad, Ahmedabad.
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; see upcoming clock changes worldwide.
Current time in India: India time now
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
Indochina Time
Offset: ICT is 7 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Cambodia, Laos, Thailand, Vietnam
Principal Cities: The largest city in the ICT time zone is Ho Chi Minh City in Vietnam, with about 14.003 million people. Other major cities in this time zone include Hanoi, Bangkok, Haiphong, Phnom Penh.
Daylight Saving: Clocks in Indochina Time (ICT) do not change for daylight saving time, so ICT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
ICT representations, usage and related time zones
- +07 - basic short
- +0700 - basic
- +07:00 - extended
- +0700 - sign character (+) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the east of the zero meridian.
- Golf - Military abbreviation for ICT
- G - short form of 'Golf'
- CXT - Christmas Island Time
- DAVT - Davis Time
- G - Golf Time Zone
- HOVT - Hovd Time
- ICT - Indochina Time
- KRAT - Krasnoyarsk Time
- NOVST - Novosibirsk Summer Time
- NOVT - Novosibirsk Time
- OMSST - Omsk Summer Time
- WIB - Western Indonesian Time