ADT to PMDT Converter
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Quick answers
Selected conversion
9:00 am09:00 ADT (UTC-3), Oct 25, 2026 = 10:00 am10:00 PMDT (UTC-2), Oct 25, 2026
ADT is 1 hour behind PMDT.
ADT and PMDT examples
These examples always use ADT (UTC-3) 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.
ADT is 1 hour behind PMDT.
How the time difference changes
For most of the year, ADT is 1 hour behind PMDT. From Nov 1, 2026 to Mar 14, 2027, AST is 1 hour behind PMST. Briefly around clock changes, ADT and PMST have the same time or AST is 2 hours behind PMDT.
For most of the year, working hours of 9:00 am to 6:00 pm in ADT correspond to 10:00 am to 7:00 pm in PMDT. At other times of the year, working hours of 9:00 am to 6:00 pm in AST correspond to 10:00 am to 7:00 pm in PMST.For most of the year, working hours of 09:00 to 18:00 in ADT correspond to 10:00 to 19:00 in PMDT. At other times of the year, working hours of 09:00 to 18:00 in AST correspond to 10:00 to 19:00 in PMST.
Compare ADT time with PMDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Atlantic Daylight Time is 1 hour behind Pierre & Miquelon Daylight Time.
9:00 am09:00 in ADT is 10:00 am10:00 in PMDT
ADT to PMDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in ADT which corresponds to 10am-6pm10:00-18:00 in PMDT
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
10:00 am10:00 Pierre & Miquelon Daylight Time (PMDT). Offset UTC -2:00 hours
9:00 am09:00 ADT / 10:00 am10:00 PMDT
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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| 00:00 next day |
Atlantic Daylight Time
Offset: ADT is 3 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bermuda, Canada, Greenland
Principal Cities: The largest city in the ADT time zone is Halifax in Canada, with about 471,559 people. Other major cities in this time zone include Sydney, Moncton, Saint John, Fredericton.
French: HAA - Heure Avancée de l'Atlantique
Today all shaded areas are on ADT.
Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Atlantic Standard Time (AST).
Start: Atlantic Daylight Time (ADT) 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.
End: Atlantic Daylight Time (ADT) 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 Canada daylight saving time and upcoming clock changes worldwide.
ADT 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 ADT
- P - short form of 'Papa'
- America/Glace_Bay
- America/Goose_Bay
- America/Halifax
- America/Moncton
- America/Thule
- Atlantic/Bermuda
- Canada/Atlantic
- 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
Pierre & Miquelon Daylight Time
Offset: PMDT is 2 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Saint Pierre and Miquelon
Principal Cities: The largest city in the PMDT 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 PMDT.
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).
Start: 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.
End: 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 Saint Pierre and Miquelon daylight saving time and upcoming clock changes worldwide.
PMDT representations, usage and related time zones
- -02 - basic short
- -0200 - basic
- -02:00 - extended
- -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.
- Oscar - Military abbreviation for PMDT
- O - short form of 'Oscar'
- 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