PDT to ADT Converter
Time Difference
Pacific Daylight Time is 4 hours behind Atlantic Daylight Time
11:30 am11:30 in PDT is 3:30 pm15:30 in ADT
PDT to ADT call time
Best time for a conference call or a meeting is between 8am-2pm in PDT which corresponds to 12pm-6pm in ADT
11:30 am11:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
3:30 pm15:30 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
11:30 am11:30 PDT / 3:30 pm15:30 ADT
PDT | ADT |
---|---|
12am (midnight) | 4am |
1am | 5am |
2am | 6am |
3am | 7am |
4am | 8am |
5am | 9am |
6am | 10am |
7am | 11am |
8am | 12pm (noon) |
9am | 1pm |
10am | 2pm |
11am | 3pm |
12pm (noon) | 4pm |
1pm | 5pm |
2pm | 6pm |
3pm | 7pm |
4pm | 8pm |
5pm | 9pm |
6pm | 10pm |
7pm | 11pm |
8pm | 12am (midnight) |
9pm | 1am |
10pm | 2am |
11pm | 3am |
0:00 | 4:00 |
1:00 | 5:00 |
2:00 | 6:00 |
3:00 | 7:00 |
4:00 | 8:00 |
5:00 | 9:00 |
6:00 | 10:00 |
7:00 | 11:00 |
8:00 | 12:00 |
9:00 | 13:00 |
10:00 | 14:00 |
11:00 | 15:00 |
12:00 | 16:00 |
13:00 | 17:00 |
14:00 | 18:00 |
15:00 | 19:00 |
16:00 | 20:00 |
17:00 | 21:00 |
18:00 | 22:00 |
19:00 | 23:00 |
20:00 | 0:00 |
21:00 | 1:00 |
22:00 | 2:00 |
23:00 | 3:00 |
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Atlantic Daylight Time
Offset: ADT is 3 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bermuda, Canada, Greenland
Principal Cities: The largest city in the ADT timezone is Halifax from Canada with population about 359,111 people. Other major cities in the area are Sydney, Dartmouth, Saint John, Moncton
French: HAA - Heure Avancée de l'Atlantique

Daylight Saving: Atlantic Daylight Time (ADT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Atlantic Standard Time (AST).
Start: Atlantic Daylight Time (ADT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Atlantic Daylight Time (ADT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
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 three hour and zero minutes time differences 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
- WGT - West Greenland Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - BrasÃlia time
- CLST - Chile Summer Time
- FKST - Falkland Islands Summer Time
- GFT - French Guiana Time
- P - Papa Time Zone
- PYST - Paraguay Summer Time
- SRT - Suriname Time
- UYT - Uruguay Time