PDT to ACST Converter
Time Difference
Pacific Daylight Time is 16 hours and 30 minutes behind Australian Central Standard Time
6:30 pm18:30 in PDT is 11:00 am11:00 in ACST
PDT to ACST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in PDT which corresponds to 9pm-11pm in ACST
6:30 pm18:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
11:00 am11:00 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
6:30 pm18:30 PDT / 11:00 am11:00 ACST
PDT | ACST |
---|---|
12am (midnight) | 4:30 pm |
1am | 5:30 pm |
2am | 6:30 pm |
3am | 7:30 pm |
4am | 8:30 pm |
5am | 9:30 pm |
6am | 10:30 pm |
7am | 11:30 pm |
8am | 12:30 am |
9am | 1:30 am |
10am | 2:30 am |
11am | 3:30 am |
12pm (noon) | 4:30 am |
1pm | 5:30 am |
2pm | 6:30 am |
3pm | 7:30 am |
4pm | 8:30 am |
5pm | 9:30 am |
6pm | 10:30 am |
7pm | 11:30 am |
8pm | 12:30 pm |
9pm | 1:30 pm |
10pm | 2:30 pm |
11pm | 3:30 pm |
0:00 | 16:30 |
1:00 | 17:30 |
2:00 | 18:30 |
3:00 | 19:30 |
4:00 | 20:30 |
5:00 | 21:30 |
6:00 | 22:30 |
7:00 | 23:30 |
8:00 | 0:30 |
9:00 | 1:30 |
10:00 | 2:30 |
11:00 | 3:30 |
12:00 | 4:30 |
13:00 | 5:30 |
14:00 | 6:30 |
15:00 | 7:30 |
16:00 | 8:30 |
17:00 | 9:30 |
18:00 | 10:30 |
19:00 | 11:30 |
20:00 | 12:30 |
21:00 | 13:30 |
22:00 | 14:30 |
23:00 | 15:30 |
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
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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
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