ACST to PST Converter
ACST is NOT in use by many locations
ACDT (Australian Central Daylight Time) is used instead. Switch to ACDT time zone or select one of the cities Adelaide, Darwin, Adelaide Hills) for automatic timezone change.Time Difference
Australian Central Standard Time is 17 hours and 30 minutes ahead of Pacific Standard Time
4:30 pm16:30 in ACST is 11:00 pm23:00 in PST
ACST to PST call time
Best time for a conference call or a meeting is between 9:30pm-11:30pm in ACST which corresponds to 4am-6am in PST
4:30 pm16:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
11:00 pm23:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
4:30 pm16:30 ACST / 11:00 pm23:00 PST
ACST | PST |
---|---|
12am (midnight) | 6:30 am |
1am | 7:30 am |
2am | 8:30 am |
3am | 9:30 am |
4am | 10:30 am |
5am | 11:30 am |
6am | 12:30 pm |
7am | 1:30 pm |
8am | 2:30 pm |
9am | 3:30 pm |
10am | 4:30 pm |
11am | 5:30 pm |
12pm (noon) | 6:30 pm |
1pm | 7:30 pm |
2pm | 8:30 pm |
3pm | 9:30 pm |
4pm | 10:30 pm |
5pm | 11:30 pm |
6pm | 12:30 am |
7pm | 1:30 am |
8pm | 2:30 am |
9pm | 3:30 am |
10pm | 4:30 am |
11pm | 5:30 am |
0:00 | 6:30 |
1:00 | 7:30 |
2:00 | 8:30 |
3:00 | 9:30 |
4:00 | 10:30 |
5:00 | 11:30 |
6:00 | 12:30 |
7:00 | 13:30 |
8:00 | 14:30 |
9:00 | 15:30 |
10:00 | 16:30 |
11:00 | 17:30 |
12:00 | 18:30 |
13:00 | 19:30 |
14:00 | 20:30 |
15:00 | 21:30 |
16:00 | 22:30 |
17:00 | 23:30 |
18:00 | 0:30 |
19:00 | 1:30 |
20:00 | 2:30 |
21:00 | 3:30 |
22:00 | 4:30 |
23:00 | 5:30 |
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston

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 Australian Central Daylight Time (ACDT).
End: Australian Central Standard Time (ACST) has ended on Sunday, October 1, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, October 1, 2023, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.
Start: Australian Central Standard Time (ACST) starts on Sunday, April 7, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).
Start: Pacific Standard Time (PST) started on Sunday, November 5, 2023 at 2:00 am local time and clocks were set one hour back to Sunday, November 5, 2023, 1:00 am. Standard time starts annually the on first Sunday of November.
End: Pacific Standard Time (PST) ends on Sunday, March 10, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time starts annually the on 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 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
- Paraguay Summer Time - UTC -3
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone