PMST to BST Converter
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Selected conversion
9:00 am09:00 PMST (UTC-3), Nov 12, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 12, 2026
PMST is 3 hours behind GMT.
PMST and BST examples
These examples always use PMST (UTC-3) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
PMST is 4 hours behind BST.
How the time difference changes
For most of the year, PMDT is 3 hours behind BST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, PMST is 3 hours behind GMT. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, PMDT is 2 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in PMDT correspond to 12:00 pm to 9:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in PMST correspond to 12:00 pm to 9:00 pm in GMT or working hours of 9:00 am to 6:00 pm in PMDT correspond to 11:00 am to 8:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in PMDT correspond to 12:00 to 21:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in PMST correspond to 12:00 to 21:00 in GMT or working hours of 09:00 to 18:00 in PMDT correspond to 11:00 to 20:00 in GMT.
Compare PMST time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pierre & Miquelon Standard Time is 3 hours behind Greenwich Mean Time.
9:00 am09:00 in PMST is 12:00 pm12:00 in GMT
PMST to GMT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PMST which corresponds to 12pm-6pm12:00-18:00 in GMT.
9:00 am09:00 Pierre & Miquelon Standard Time (PMST). Offset UTC -3:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:00 am09:00 PMST / 12:00 pm12:00 GMT
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.
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Pierre & Miquelon Standard Time
Offset: PMST is 3 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Saint Pierre and Miquelon
Principal Cities: The largest city in the PMST time zone is Saint-Pierre in Saint Pierre and Miquelon, with about 6,200 people. Other major cities in this time zone include Miquelon.
Today all shaded areas are on PMST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pierre & Miquelon Daylight Time (PMDT).
Start: Pierre & Miquelon Standard Time (PMST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Pierre & Miquelon Standard Time (PMST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See Saint Pierre and Miquelon daylight saving time and upcoming clock changes worldwide.
PMST representations, usage and related time zones
- -03 - basic short
- -0300 - basic
- -03:00 - extended
- -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
- Papa - Military abbreviation for PMST
- P - short form of 'Papa'
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasilia Time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- FKT - Falkland Islands Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- PYT - Paraguay Time
- SRT - Suriname Time
- UYT - Uruguay Time
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
Current time in the United Kingdom: UK time now
Today the shaded areas are on UTC+0 (GMT).
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +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.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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