BST
British Summer Time
GMT +1
LHST
Lord Howe Standard Time
GMT +10:30

Time Difference

British Summer Time is 9 hours and 30 minutes behind Lord Howe Standard Time
12:30 pm12:30 in BST is 10:00 pm22:00 in LHST

BST to LHST call time
Best time for a conference call or a meeting is between 8am-10am in BST which corresponds to 5:30pm-7:30pm in LHST

12:30 pm12:30 British Summer Time (BST). Offset UTC +1:00 hour
10:00 pm22:00 Lord Howe Standard Time (LHST). Offset UTC +10:30 hours

12:30 pm12:30 BST / 10:00 pm22:00 LHST

BST LHST
12am (midnight) 9:30 am
1am 10:30 am
2am 11:30 am
3am 12:30 pm
4am 1:30 pm
5am 2:30 pm
6am 3:30 pm
7am 4:30 pm
8am 5:30 pm
9am 6:30 pm
10am 7:30 pm
11am 8:30 pm
12pm (noon) 9:30 pm
1pm 10:30 pm
2pm 11:30 pm
3pm 12:30 am
4pm 1:30 am
5pm 2:30 am
6pm 3:30 am
7pm 4:30 am
8pm 5:30 am
9pm 6:30 am
10pm 7:30 am
11pm 8:30 am
0:00 9:30
1:00 10:30
2:00 11:30
3:00 12:30
4:00 13:30
5:00 14:30
6:00 15:30
7:00 16:30
8:00 17:30
9:00 18:30
10:00 19:30
11:00 20:30
12:00 21:30
13:00 22:30
14:00 23:30
15:00 0:30
16:00 1:30
17:00 2:30
18:00 3:30
19:00 4:30
20:00 5:30
21:00 6:30
22:00 7:30
23:00 8:30

British Summer Time

Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hour from 1am to 2amStart: British Summer Time (BST) started on Sunday, March 31, 2024 at 1:00 am local time and clocks were set one hour forward to Sunday, March 31, 2024, 2:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: British Summer Time (BST) ends on Sunday, October 27, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, October 27, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
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
  • Brasilia Standard Time - UTC -3
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Lord Howe Standard Time

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

LHST Time Zone Geo Map
LHST timezone map

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 ten hour and thirty minutes time differences 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