Updating current time…
IST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SBT
UTC+11
5h 30m ahead
12am
3am
6am
9am
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3pm
6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 16, 2026 = 11:00 pm23:00 SBT (UTC+11), Oct 16, 2026

IST is 5 hours and 30 minutes behind SBT.

IST and SBT examples

These examples always use IST (UTC+5:30) and SBT (UTC+11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 5 hours and 30 minutes behind SBT.

How the time difference changes

IST is 5 hours and 30 minutes behind SBT year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 2:30 pm to 11:30 pm in SBT.Working hours of 09:00 to 18:00 in IST correspond to 14:30 to 23:30 in SBT.

Compare IST time with SBT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 5 hours and 30 minutes behind Solomon Islands Time.
5:30 pm17:30 in IST is 11:00 pm23:00 in SBT

IST to SBT call time
Best time for a conference call or a meeting is between 9am-12:30pm09:00-12:30 in IST which corresponds to 2:30pm-6pm14:30-18:00 in SBT

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
11:00 pm23:00 Solomon Islands Time (SBT). Offset UTC +11:00 hours

5:30 pm17:30 IST / 11:00 pm23:00 SBT

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Hourly time comparison
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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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Solomon Islands Time

Offset: SBT is 11 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Solomon Islands

Principal Cities: The largest city in the SBT time zone is Honiara in the Solomon Islands, with about 56,298 people. Other major cities in this time zone include Tandai, Malango, Malango, Noro.

Daylight Saving: Clocks in Solomon Islands Time (SBT) do not change for daylight saving time, so SBT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

SBT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +11 - basic short
  • +1100 - basic
  • +11:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Lima - Military abbreviation for SBT
  • L - short form of 'Lima'
Time zones with the GMT +11 offset:
  • 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