BST Pacific to IST Converter
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Quick answers
Selected conversion
11:00 pm23:00 BST (UTC+11), Oct 30, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 30, 2026
BST is 5 hours and 30 minutes ahead of IST.
BST and IST examples
These examples always use BST (UTC+11) 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.
BST is 5 hours and 30 minutes ahead of IST.
How the time difference changes
BST Pacific is 5 hours and 30 minutes ahead of IST year-round.
Working hours of 9:00 am to 6:00 pm in BST Pacific correspond to 3:30 am to 12:30 pm in IST.Working hours of 09:00 to 18:00 in BST Pacific correspond to 03:30 to 12:30 in IST.
Compare BST time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Bougainville Standard Time is 5 hours and 30 minutes ahead of India Standard Time.
11:00 pm23:00 in BST is 5:30 pm17:30 in IST
BST to IST call time
Best time for a conference call or a meeting is between 2:30pm-6pm14:30-18:00 in BST which corresponds to 9am-12:30pm09:00-12:30 in IST
11:00 pm23:00 Bougainville Standard Time (BST). Offset UTC +11:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
11:00 pm23:00 BST / 5:30 pm17:30 IST
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Bougainville Standard Time
Offset: BST is 11 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Papua New Guinea
Principal Cities: The largest city in the BST time zone is Arawa in Papua New Guinea, with about 40,266 people. Other major cities in this time zone include Kieta, Panguna.
Daylight Saving: Clocks in Bougainville Standard Time (BST) do not change for daylight saving time, so BST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
BST representations, usage and related time zones
- +11 - basic short
- +1100 - basic
- +11:00 - extended
- +1100 - sign character (+) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the east of the zero meridian.
- Lima - Military abbreviation for BST
- L - short form of 'Lima'
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- AEDT - Australian Eastern Daylight Time
- BST - Bougainville Standard Time
- KOST - Kosrae Time
- L - Lima Time Zone
- LHDT - Lord Howe Daylight Time
- MAGT - Magadan Time
- NCT - New Caledonia Time
- NFT - Norfolk Time
- PONT - Pohnpei Standard Time
- SBT - Solomon Islands Time
- VLAST - Vladivostok Summer Time
- VUT - Vanuatu 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.
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