AST Ast to PST Converter
Time Difference
Argentina Standard Time is 4 hours ahead of Pacific Daylight Time
8:00 am08:00 in AST is 4:00 am04:00 in PDT
AST to PST call time
Best time for a conference call or a meeting is between 1pm-6pm in AST which corresponds to 8am-1pm in PST
8:00 am08:00 Argentina Standard Time (AST). Offset UTC -3:00 hours
4:00 am04:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 am08:00 AST / 4:00 am04:00 PDT
AST | PDT |
---|---|
12am (midnight) | 8pm |
1am | 9pm |
2am | 10pm |
3am | 11pm |
4am | 12am (midnight) |
5am | 1am |
6am | 2am |
7am | 3am |
8am | 4am |
9am | 5am |
10am | 6am |
11am | 7am |
12pm (noon) | 8am |
1pm | 9am |
2pm | 10am |
3pm | 11am |
4pm | 12pm (noon) |
5pm | 1pm |
6pm | 2pm |
7pm | 3pm |
8pm | 4pm |
9pm | 5pm |
10pm | 6pm |
11pm | 7pm |
0:00 | 20:00 |
1:00 | 21:00 |
2:00 | 22:00 |
3:00 | 23:00 |
4:00 | 0:00 |
5:00 | 1:00 |
6:00 | 2:00 |
7:00 | 3:00 |
8:00 | 4:00 |
9:00 | 5:00 |
10:00 | 6:00 |
11:00 | 7:00 |
12:00 | 8:00 |
13:00 | 9:00 |
14:00 | 10:00 |
15:00 | 11:00 |
16:00 | 12:00 |
17:00 | 13:00 |
18:00 | 14:00 |
19:00 | 15:00 |
20:00 | 16:00 |
21:00 | 17:00 |
22:00 | 18:00 |
23:00 | 19:00 |
Argentina Standard Time
Offset: AST is 3 hours behind Greenwich Mean Time (GMT) and is used in America
Countries: It is used in following countries: Bermuda, Canada, Greenland
Principal Cities: The largest city in the AST timezone is Halifax from Canada with population about 359,111 people. Other major cities in the area are Sydney, Dartmouth, Saint John, Moncton
AST 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 AST
- P - short form of 'Papa'
- Atlantic Standard Time - UTC -4
- Arabia Standard Time - UTC +3
- Argentina Standard Time - UTC -3
- Armenia Standard Time - UTC +4
- Azores Summer Time - UTC +0
- Apia Standard Time - UTC +13
- 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
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
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).
End: Pacific Standard Time (PST) has ended 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 local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Pacific Standard Time (PST) starts 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. Standard time starts annually the on first Sunday of November.
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'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- Pacific Standard Time - UTC -8
- Pitcairn Standard Time - UTC -8
- Peru Standard Time - UTC -5
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone