Updating current time…
BST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NRT
UTC+12
tomorrow (next day)
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

11:00 pm23:00 BST (UTC+11), Nov 3, 2026 = 12:00 am00:00 NRT (UTC+12), Nov 4, 2026

BST is 1 hour behind NRT.

BST and NRT examples

These examples always use BST (UTC+11) and NRT (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 1 hour behind NRT.

How the time difference changes

BST Pacific is 1 hour behind NRT year-round.

Working hours of 9:00 am to 6:00 pm in BST Pacific correspond to 10:00 am to 7:00 pm in NRT.Working hours of 09:00 to 18:00 in BST Pacific correspond to 10:00 to 19:00 in NRT.

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

Time Difference

Bougainville Standard Time is 1 hour behind Nauru Time.
11:00 pm23:00 in BST is 12:00 am00:00 in NRT

BST to NRT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in BST which corresponds to 10am-6pm10:00-18:00 in NRT

11:00 pm23:00 Bougainville Standard Time (BST). Offset UTC +11:00 hours
12:00 am00:00 Nauru Time (NRT). Offset UTC +12:00 hours

11:00 pm23:00 BST / 12:00 am00:00 NRT

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.

Hourly time comparison
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12:00am next day
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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

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 BST
  • L - short form of 'Lima'
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
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

Nauru Time

Offset: NRT is 12 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Nauru

Principal Cities: The largest city in the NRT time zone is Arijejen in Nauru, with about 2,381 people. Other major cities in this time zone include Denigomodu, Menen, Yangor, Yaren.

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

NRT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for NRT
  • M - short form of 'Mike'
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETT - Kamchatka Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time