IST to West Island Time Converter
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Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 13, 2026 = 6:30 pm18:30 CCT (UTC+6:30), Oct 13, 2026
IST is 1 hour behind West Island.
How the time difference changes
IST is 1 hour behind West Island year-round.
Working hours of 9:00 am to 5:00 pm in IST correspond to 10:00 am to 6:00 pm in West Island.Working hours of 09:00 to 17:00 in IST correspond to 10:00 to 18:00 in West Island.
Compare IST time with West Island 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 behind CCT (Cocos Islands Time).
5:30 pm17:30 in IST is 6:30 pm18:30 in West Island, Cocos Islands
IST to West Island call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in IST which corresponds to 10am-5pm10:00-17:00 in West Island
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
6:30 pm18:30 CCT (Cocos Islands Time) (West Island, Cocos Islands). Offset UTC +6:30 hours
5:30 pm17:30 IST / 6:30 pm18:30 West Island, Cocos Islands
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| IST | West Island, Cocos Islands |
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| 12:00am next day | |
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| 00:00 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.
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