ICT to IST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 pm19:00 ICT (UTC+7), Oct 12, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 12, 2026
ICT is 1 hour and 30 minutes ahead of IST.
ICT and IST examples
These examples always use ICT (UTC+7) and IST (UTC+5:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ICT is 1 hour and 30 minutes ahead of IST.
How the time difference changes
ICT is 1 hour and 30 minutes ahead of IST year-round.
Working hours of 9:00 am to 5:00 pm in ICT correspond to 7:30 am to 3:30 pm in IST.Working hours of 09:00 to 17:00 in ICT correspond to 07:30 to 15:30 in IST.
Compare ICT time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Indochina Time is 1 hour and 30 minutes ahead of India Standard Time.
7:00 pm19:00 in ICT is 5:30 pm17:30 in IST
ICT to IST call time
Best time for a conference call or a meeting is between 10:30am-5pm10:30-17:00 in ICT which corresponds to 9am-3:30pm09:00-15:30 in IST
7:00 pm19:00 Indochina Time (ICT). Offset UTC +7:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
7:00 pm19:00 ICT / 5:30 pm17:30 IST
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.
| ICT | IST |
|---|---|
| 10:30pm previous day | |
| 11:30pm previous day | |
| 12:30am | |
| 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 | |
| 22:30 previous day | |
| 23:30 previous day | |
| 00:30 | |
| 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 |
Indochina Time
Offset: ICT is 7 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Thailand
Principal Cities: The largest city in the ICT time zone is Hanoi in Vietnam, with about 8.054 million people. Other major cities in this time zone include Bangkok, Haiphong, Huế, Thanh Hóa.
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
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.
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