Pacific Daylight Time is 4 hours behind of Atlantic Daylight Time
5:30 pm17:30 in PDT is 9:30 pm21:30 in ADT
PST to AST call time
Best time for a conference call or a meeting is between 8am-2pm in PST which corresponds to 12pm-6pm in AST
5:30 pm17:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:30 pm21:30 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
5:30 pm17:30 PDT / 9:30 pm21:30 ADT
Pacific Standard Time
Offset: PST is 8 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 PST 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
Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Pacific Daylight Time (PDT).
End: PST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
Start: PST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
PST representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the west of the zero meridian.
- Uniform - Military abbreviation for PST
- U - short form of 'Uniform'
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- YDT - Yukon Daylight Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
Atlantic Standard Time
Offset: AST is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean
Countries: It is used in following countries: Antigua & Barbuda, Anguilla, Aruba, Barbados, St Barthelemy, Bermuda, Caribbean NL, Canada, Curaçao, Dominica, Dominican Republic, Grenada, Greenland, Guadeloupe, St Kitts & Nevis, St Lucia, St Martin (French), Martinique, Montserrat, Puerto Rico, St Maarten (Dutch), Trinidad & Tobago, St Vincent, Virgin Islands (UK), Virgin Islands (US)
Principal Cities: The largest city in the AST timezone is Santo Domingo from Dominican Republic with population about 2.202 million people. Other major cities in the area are Santiago de los Caballeros, Santo Domingo Oeste, San Juan, Halifax
Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Atlantic Daylight Time (ADT).
End: AST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.
Start: AST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.
AST representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for AST
- Q - short form of 'Quebec'
- Atlantic Standard Time - UTC -4
- Arabia Standard Time - UTC +3
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
- -04 -