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BST
British Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PMDT
Pierre & Miquelon Daylight Time
GMT -2
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm BST (UTC+1), Oct 3, 2026 = 10:00 am PMDT (UTC-2), Oct 3, 202613:00 BST (UTC+1), Oct 3, 2026 = 10:00 PMDT (UTC-2), Oct 3, 2026

BST is 3 hours ahead of PMDT.

BST and PMDT examples

These examples always use BST (UTC+1) and PMDT (UTC-2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 3 hours ahead of PMDT.

How the time difference changes

For most of the year, BST is 3 hours ahead of PMDT. At other times of the year, GMT is 3 hours ahead of PMST or GMT is 2 hours ahead of PMDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 6:00 am to 2:00 pm in PMDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 6:00 am to 2:00 pm in PMST or working hours of 9:00 am to 5:00 pm in GMT correspond to 7:00 am to 3:00 pm in PMDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 06:00 to 14:00 in PMDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 06:00 to 14:00 in PMST or working hours of 09:00 to 17:00 in GMT correspond to 07:00 to 15:00 in PMDT.

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

Time Difference

British Summer Time is 3 hours ahead of Pierre & Miquelon Daylight Time
1:00 pm13:00 in BST is 10:00 am10:00 in PMDT

BST to PMDT call time
Best time for a conference call or a meeting is between 12pm-5pm12:00-17:00 in BST which corresponds to 9am-2pm09:00-14:00 in PMDT

1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
10:00 am10:00 Pierre & Miquelon Daylight Time (PMDT). Offset UTC -2:00 hours

1:00 pm13:00 BST / 10:00 am10:00 PMDT

BSTPMDT
12am (midnight)9pm
1am10pm
2am11pm
3am12am (midnight)
4am1am
5am2am
6am3am
7am4am
8am5am
9am6am
10am7am
11am8am
12pm (noon)9am
1pm10am
2pm11am
3pm12pm (noon)
4pm1pm
5pm2pm
6pm3pm
7pm4pm
8pm5pm
9pm6pm
10pm7pm
11pm8pm
00:0021:00
01:0022:00
02:0023:00
03:0000:00
04:0001:00
05:0002:00
06:0003:00
07:0004:00
08:0005:00
09:0006:00
10:0007:00
11:0008:00
12:0009:00
13:0010:00
14:0011:00
15:0012:00
16:0013:00
17:0014:00
18:0015:00
19:0016:00
20:0017:00
21:0018:00
22:0019:00
23:0020:00

British Summer Time

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

Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey

Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hourStart: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

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
  • +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 an offset of one hour 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
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

Pierre & Miquelon Daylight Time

Offset: PMDT is 2 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: St Pierre & Miquelon

Principal Cities: The largest city in the PMDT time zone is Saint Pierre in Saint Pierre and Miquelon, with about 6,200 people.

PMDT Time Zone Geo Map
PMDT timezone map

Daylight Saving: Pierre & Miquelon Daylight Time (PMDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pierre & Miquelon Standard Time (PMST).

Daylight saving time clock moves forward for one hourStart: Pierre & Miquelon Daylight Time (PMDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Pierre & Miquelon Daylight Time (PMDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

PMDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -02 - basic short
  • -0200 - basic
  • -02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0200 - sign character (-) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Oscar - Military abbreviation for PMDT
  • O - short form of 'Oscar'
Time zones with the GMT -2 offset:
  • PMDT - Pierre & Miquelon Daylight Time
  • WGT - West Greenland Time
  • BRST - Brasilia Summer Time
  • FNT - Fernando de Noronha Time
  • O - Oscar Time Zone
  • UYST - Uruguay Summer Time