AMST to PST Converter
AMST is not used on this date
This converter uses AMT (GMT -4), the offset Cuiaba uses on this date. Open the AMT converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
AMST and PST examples
These examples always use AMST (UTC-3) and PST (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
AMST is 5 hours ahead of PST.
PST uses UTC-8 during standard time. For Pacific Time that follows daylight saving time, use AMST to PT. For daylight-time examples, use AMST to PDT.
How the time difference changes
For most of the year, AMT is 3 hours ahead of PDT. At other times of the year, AMT is 4 hours ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in AMT correspond to 6:00 am to 2:00 pm in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in AMT correspond to 5:00 am to 1:00 pm in PST.
Compare AMST time with PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Amazon Time is 4 hours ahead of Pacific Standard Time
8:00 am08:00 in AMT is 4:00 am04:00 in PST
AMT to PST call time
Best time for a conference call or a meeting is between 1pm-5pm in AMT which corresponds to 9am-1pm in PST
8:00 am08:00 Amazon Time (AMT). Offset UTC -4:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
8:00 am08:00 AMT / 4:00 am04:00 PST
| AMT | PST |
|---|---|
| 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 |
| 00:00 | 20:00 |
| 01:00 | 21:00 |
| 02:00 | 22:00 |
| 03:00 | 23:00 |
| 04:00 | 00:00 |
| 05:00 | 01:00 |
| 06:00 | 02:00 |
| 07:00 | 03:00 |
| 08:00 | 04:00 |
| 09:00 | 05:00 |
| 10:00 | 06:00 |
| 11:00 | 07:00 |
| 12:00 | 08:00 |
| 13:00 | 09:00 |
| 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 |
Amazon Summer Time
Offset: AMST is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

AMST 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 AMST
- P - short form of 'Papa'
- Armenia Summer Time - UTC +5
- Amazon Summer Time - UTC -3
- ADT - Atlantic Daylight Time
- PMT - Pierre & Miquelon Standard Time
- PMST - Pierre & Miquelon Standard Time
- AMST - Amazon Summer Time
- ART - Argentina Time
- BRT - Brasília 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 using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
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 an offset of eight hours 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
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
