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BST Pacific to LHST Converter

Updating current time…
BST
Bougainville Standard Time
GMT +11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
LHDT/LHST
Lord Howe Daylight Time
GMT +11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Lord Howe Island is on daylight saving time: LHDT (UTC+11) until Sun, Apr 4, 2027.
Use LHST all year (UTC+10:30)

Quick answers

Selected conversion

11:00 pm23:00 BST (UTC+11), Oct 11, 2026 = 11:00 pm23:00 LHDT (UTC+11), Oct 11, 2026

BST and LHDT have the same local time.

BST and LHST examples

These examples always use BST (UTC+11) and LHST (UTC+10:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 30 minutes ahead of LHST.

How the time difference changes

Depending on seasonal clock changes, BST Pacific and LHDT have the same time or BST Pacific is 30 minutes ahead of LHST.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in BST Pacific correspond to 9:00 am to 5:00 pm in LHDT or working hours of 9:00 am to 5:00 pm in BST Pacific correspond to 8:30 am to 4:30 pm in LHST.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in BST Pacific correspond to 09:00 to 17:00 in LHDT or working hours of 09:00 to 17:00 in BST Pacific correspond to 08:30 to 16:30 in LHST.

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

Time Difference

Bougainville Standard Time and Lord Howe Daylight Time have the same local time.
11:00 pm23:00 in BST is 11:00 pm23:00 in LHDT

BST to LHDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in BST which corresponds to 9am-5pm09:00-17:00 in LHDT

11:00 pm23:00 Bougainville Standard Time (BST). Offset UTC +11:00 hours
11:00 pm23:00 Lord Howe Daylight Time (LHDT). Offset UTC +11:00 hours

11:00 pm23:00 BST / 11:00 pm23:00 LHDT

BSTLHDT
12:00am12:00am
1:00am1:00am
2:00am2:00am
3:00am3:00am
4:00am4:00am
5:00am5:00am
6:00am6:00am
7:00am7:00am
8:00am8:00am
9:00am9:00am
10:00am10:00am
11:00am11:00am
12:00pm12:00pm
1:00pm1:00pm
2:00pm2:00pm
3:00pm3:00pm
4:00pm4:00pm
5:00pm5:00pm
6:00pm6:00pm
7:00pm7:00pm
8:00pm8:00pm
9:00pm9:00pm
10:00pm10:00pm
11:00pm11:00pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

Bougainville Standard Time

Offset: BST is 11 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

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
  • PETT - Kamchatka Time
  • PONT - Pohnpei Standard Time
  • SBT - Solomon IslandsTime
  • VLAST - Vladivostok Summer Time
  • VUT - Vanuatu Time

Lord Howe Standard Time

Offset: LHST is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries using this time zone: Australia

LHST Time Zone Geo Map
LHST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Lord Howe Daylight Time (LHDT).

End: Lord Howe Standard Time (LHST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 2:30 am02:30 local daylight time instead. Standard time ends annually on the first Sunday of October.

Start: Lord Howe Standard Time (LHST) starts on Sunday, April 4, 2027 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 1:30 am01:30. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

LHST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT