ACDT to PST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
10:30 pm22:30 ACDT (UTC+10:30), Oct 12, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 12, 2026
ACDT is 17 hours and 30 minutes ahead of PDT.
ACDT and PST (US winter time, UTC-8) examples
These examples always use ACDT (UTC+10:30) 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.
ACDT is 18 hours and 30 minutes ahead of PST.
PST is US Pacific winter time (early November to mid-March). The rest of the year Los Angeles uses PDT (UTC-7), one hour later. For Pacific Time that follows daylight saving time, use ACDT to PT. For daylight-time examples, use ACST to PDT.
How the time difference changes
Depending on seasonal clock changes, ACST is 16 hours and 30 minutes ahead of PDT, ACDT is 17 hours and 30 minutes ahead of PDT, or ACDT is 18 hours and 30 minutes ahead of PST.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in ACST correspond to 4:30 pm (previous day) to 12:30 am in PDT, working hours of 9:00 am to 5:00 pm in ACDT correspond to 3:30 pm (previous day) to 11:30 pm (previous day) in PDT, or working hours of 9:00 am to 5:00 pm in ACDT correspond to 2:30 pm (previous day) to 10:30 pm (previous day) in PST.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in ACST correspond to 16:30 (previous day) to 00:30 in PDT, working hours of 09:00 to 17:00 in ACDT correspond to 15:30 (previous day) to 23:30 (previous day) in PDT, or working hours of 09:00 to 17:00 in ACDT correspond to 14:30 (previous day) to 22:30 (previous day) in PST.
Compare ACDT time with PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Australian Central Daylight Time is 17 hours and 30 minutes ahead of Pacific Daylight Time.
10:30 pm22:30 in ACDT is 5:00 am05:00 in PDT
ACDT to PDT call time
Best time for a conference call or a meeting is between 9am-10:30am09:00-10:30 in ACDT which corresponds to 3:30pm-5pm15:30-17:00 in PDT (previous day)
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
10:30 pm22:30 ACDT / 5:00 am05:00 PDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| ACDT | PDT |
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Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Mount Gambier, Mount Barker, Whyalla, Gawler.
Today all shaded areas are on ACDT.
Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Australian Central Standard Time (ACST).
Start: Australian Central Daylight Time (ACDT) started on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00. Daylight saving starts annually on the first Sunday of October.
End: Australian Central Daylight Time (ACDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time
Pacific Standard Time
Offset: PST is 8 hours behind Greenwich Mean Time (GMT).
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 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
Today the shaded areas are on UTC−7 (PDT).
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).
End: Pacific Standard Time (PST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Pacific Standard Time (PST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the 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 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