IST to New Buildings Time Converter
Clocks in New Buildings go back 1 hour on Sun, Oct 25 · BST → GMT
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Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 21, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 21, 2026
IST is 4 hours and 30 minutes ahead of New Buildings.
How the time difference changes
For most of the year, IST is 4 hours and 30 minutes ahead of New Buildings. From Oct 25, 2026 to Mar 28, 2027, IST is 5 hours and 30 minutes ahead of New Buildings.
For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 4:30 am to 1:30 pm in New Buildings. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 3:30 am to 12:30 pm in New Buildings.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 04:30 to 13:30 in New Buildings. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 03:30 to 12:30 in New Buildings.
Compare IST time with New Buildings time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 4 hours and 30 minutes ahead of BST (British Summer Time).
5:30 pm17:30 in IST is 1:00 pm13:00 in New Buildings, United Kingdom
IST to New Buildings call time
Best time for a conference call or a meeting is between 1:30pm-6pm13:30-18:00 in IST which corresponds to 9am-1:30pm09:00-13:30 in New Buildings
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 BST (British Summer Time) (New Buildings, United Kingdom). Offset UTC +1:00 hour
5:30 pm17:30 IST / 1:00 pm13:00 New Buildings, United Kingdom
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| IST | New Buildings, United Kingdom |
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| 7:30pm previous day | |
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| 19:30 previous day | |
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| 18:30 |
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
New Buildings Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)