ACDT to Melbourne to Brisbane to Los Angeles to Auckland Time Converter
South Australia is on standard time: ACST (UTC+9:30) until Sun, Oct 4.
Auckland's clocks go forward 1 hour on Sun, Sep 27 · NZST → NZDT
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Quick answers
Selected conversion
10:29 am10:29 ACST (UTC+9:30), Sep 15, 2026 = 10:59 am10:59 AEST (UTC+10), Sep 15, 2026 = 10:59 am10:59 AEST (UTC+10), Sep 15, 2026 = 5:59 pm17:59 PDT (UTC-7), Sep 14, 2026 = 12:59 pm12:59 NZST (UTC+12), Sep 15, 2026
ACST is 30 minutes behind Melbourne. ACST is 30 minutes behind Brisbane. ACST is 16 hours and 30 minutes ahead of Los Angeles. ACST is 2 hours and 30 minutes behind Auckland.
How the time difference changes
ACDT to Melbourne
Depending on seasonal clock changes, ACDT is 30 minutes behind Melbourne or ACST is 30 minutes behind Melbourne. Briefly around clock changes, ACDT is 30 minutes ahead of Melbourne or ACST is 1 hour and 30 minutes behind Melbourne.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACDT correspond to 9:30 am to 6:30 pm in Melbourne or working hours of 9:00 am to 6:00 pm in ACST correspond to 9:30 am to 6:30 pm in Melbourne.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACDT correspond to 09:30 to 18:30 in Melbourne or working hours of 09:00 to 18:00 in ACST correspond to 09:30 to 18:30 in Melbourne.
ACDT to Brisbane
Depending on seasonal clock changes, ACDT is 30 minutes ahead of Brisbane or ACST is 30 minutes behind Brisbane.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACDT correspond to 8:30 am to 5:30 pm in Brisbane or working hours of 9:00 am to 6:00 pm in ACST correspond to 9:30 am to 6:30 pm in Brisbane.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACDT correspond to 08:30 to 17:30 in Brisbane or working hours of 09:00 to 18:00 in ACST correspond to 09:30 to 18:30 in Brisbane.
ACDT to Los Angeles
Depending on seasonal clock changes, ACST is 16 hours and 30 minutes ahead of Los Angeles, ACDT is 17 hours and 30 minutes ahead of Los Angeles, or ACDT is 18 hours and 30 minutes ahead of Los Angeles.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACST correspond to 4:30 pm (previous day) to 1:30 am in Los Angeles, working hours of 9:00 am to 6:00 pm in ACDT correspond to 3:30 pm (previous day) to 12:30 am in Los Angeles, or working hours of 9:00 am to 6:00 pm in ACDT correspond to 2:30 pm (previous day) to 11:30 pm (previous day) in Los Angeles.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACST correspond to 16:30 (previous day) to 01:30 in Los Angeles, working hours of 09:00 to 18:00 in ACDT correspond to 15:30 (previous day) to 00:30 in Los Angeles, or working hours of 09:00 to 18:00 in ACDT correspond to 14:30 (previous day) to 23:30 (previous day) in Los Angeles.
ACDT to Auckland
Depending on seasonal clock changes, ACDT is 2 hours and 30 minutes behind Auckland, ACST is 2 hours and 30 minutes behind Auckland, or ACST is 3 hours and 30 minutes behind Auckland. Briefly around clock changes, ACDT is 1 hour and 30 minutes behind Auckland.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in ACDT correspond to 11:30 am to 8:30 pm in Auckland, working hours of 9:00 am to 6:00 pm in ACST correspond to 11:30 am to 8:30 pm in Auckland, or working hours of 9:00 am to 6:00 pm in ACST correspond to 12:30 pm to 9:30 pm in Auckland.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in ACDT correspond to 11:30 to 20:30 in Auckland, working hours of 09:00 to 18:00 in ACST correspond to 11:30 to 20:30 in Auckland, or working hours of 09:00 to 18:00 in ACST correspond to 12:30 to 21:30 in Auckland.
Compare ACDT time with Melbourne, Brisbane, Los Angeles, and Auckland time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Australian Central Standard Time is 30 minutes behind AEST (Australian Eastern Standard Time). Australian Central Standard Time is 30 minutes behind AEST (Australian Eastern Standard Time). Australian Central Standard Time is 16 hours and 30 minutes ahead of PDT (Pacific Daylight Time). Australian Central Standard Time is 2 hours and 30 minutes behind NZST (New Zealand Standard Time).
10:29 am10:29 in ACST is 10:59 am10:59 in Melbourne, Australia and is 10:59 am10:59 in Brisbane, Australia and is 5:59 pm17:59 in Los Angeles, CA, USA (previous day) and is 12:59 pm12:59 in Auckland, New Zealand
ACST to Melbourne call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in ACST which corresponds to 9:30am-6pm09:30-18:00 in Melbourne.
ACST to Brisbane call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in ACST which corresponds to 9:30am-6pm09:30-18:00 in Brisbane.
ACST to Los Angeles call time
Best time for a conference call or a meeting is between 9am-10:30am09:00-10:30 in ACST which corresponds to 4:30pm-6pm16:30-18:00 in Los Angeles (previous day).
ACST to Auckland call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in ACST which corresponds to 11:30am-6pm11:30-18:00 in Auckland.
10:29 am10:29 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
10:59 am10:59 AEST (Australian Eastern Standard Time) (Melbourne, Australia). Offset UTC +10:00 hours
10:59 am10:59 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
5:59 pm17:59 PDT (Pacific Daylight Time) (Los Angeles, CA, USA). Offset UTC -7:00 hours
12:59 pm12:59 NZST (New Zealand Standard Time) (Auckland, New Zealand). Offset UTC +12:00 hours
10:29 am10:29 ACST / 10:59 am10:59 Melbourne, Australia / 10:59 am10:59 Brisbane, Australia / 5:59 pm17:59 Los Angeles, CA, USA (previous day) / 12:59 pm12:59 Auckland, New Zealand
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.
| ACST | Melbourne, Australia | Brisbane, Australia | Los Angeles, CA, USA | Auckland, New Zealand |
|---|---|---|---|---|
| 12:30am | 12:30am | 7:30am previous day | 2:30am | |
| 1:30am | 1:30am | 8:30am previous day | 3:30am | |
| 2:30am | 2:30am | 9:30am previous day | 4:30am | |
| 3:30am | 3:30am | 10:30am previous day | 5:30am | |
| 4:30am | 4:30am | 11:30am previous day | 6:30am | |
| 5:30am | 5:30am | 12:30pm previous day | 7:30am | |
| 6:30am | 6:30am | 1:30pm previous day | 8:30am | |
| 7:30am | 7:30am | 2:30pm previous day | 9:30am | |
| 8:30am | 8:30am | 3:30pm previous day | 10:30am | |
| 9:30am | 9:30am | 4:30pm previous day | 11:30am | |
| 10:30am | 10:30am | 5:30pm previous day | 12:30pm | |
| 11:30am | 11:30am | 6:30pm previous day | 1:30pm | |
| 12:30pm | 12:30pm | 7:30pm previous day | 2:30pm | |
| 1:30pm | 1:30pm | 8:30pm previous day | 3:30pm | |
| 2:30pm | 2:30pm | 9:30pm previous day | 4:30pm | |
| 3:30pm | 3:30pm | 10:30pm previous day | 5:30pm | |
| 4:30pm | 4:30pm | 11:30pm previous day | 6:30pm | |
| 5:30pm | 5:30pm | 12:30am | 7:30pm | |
| 6:30pm | 6:30pm | 1:30am | 8:30pm | |
| 7:30pm | 7:30pm | 2:30am | 9:30pm | |
| 8:30pm | 8:30pm | 3:30am | 10:30pm | |
| 9:30pm | 9:30pm | 4:30am | 11:30pm | |
| 10:30pm | 10:30pm | 5:30am | 12:30am next day | |
| 11:30pm | 11:30pm | 6:30am | 1:30am next day | |
| 00:30 | 00:30 | 07:30 previous day | 02:30 | |
| 01:30 | 01:30 | 08:30 previous day | 03:30 | |
| 02:30 | 02:30 | 09:30 previous day | 04:30 | |
| 03:30 | 03:30 | 10:30 previous day | 05:30 | |
| 04:30 | 04:30 | 11:30 previous day | 06:30 | |
| 05:30 | 05:30 | 12:30 previous day | 07:30 | |
| 06:30 | 06:30 | 13:30 previous day | 08:30 | |
| 07:30 | 07:30 | 14:30 previous day | 09:30 | |
| 08:30 | 08:30 | 15:30 previous day | 10:30 | |
| 09:30 | 09:30 | 16:30 previous day | 11:30 | |
| 10:30 | 10:30 | 17:30 previous day | 12:30 | |
| 11:30 | 11:30 | 18:30 previous day | 13:30 | |
| 12:30 | 12:30 | 19:30 previous day | 14:30 | |
| 13:30 | 13:30 | 20:30 previous day | 15:30 | |
| 14:30 | 14:30 | 21:30 previous day | 16:30 | |
| 15:30 | 15:30 | 22:30 previous day | 17:30 | |
| 16:30 | 16:30 | 23:30 previous day | 18:30 | |
| 17:30 | 17:30 | 00:30 | 19:30 | |
| 18:30 | 18:30 | 01:30 | 20:30 | |
| 19:30 | 19:30 | 02:30 | 21:30 | |
| 20:30 | 20:30 | 03:30 | 22:30 | |
| 21:30 | 21:30 | 04:30 | 23:30 | |
| 22:30 | 22:30 | 05:30 | 00:30 next day | |
| 23:30 | 23:30 | 06:30 | 01:30 next day |
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.
Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Australian Central Standard Time (ACST).
End: Australian Central Daylight Time (ACDT) ended on Sunday, April 5, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.
Start: Australian Central Daylight Time (ACDT) starts on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, October 4, 2026, 3:00 am03:00. Daylight saving starts annually on the first Sunday of October.
See Australia daylight saving time and upcoming clock changes worldwide.
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
Melbourne Time Zone and Facts
Time Zone
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Melbourne Facts
Brisbane Time Zone and Facts
Time Zone
Brisbane Facts
Los Angeles Time Zone and Facts
Time Zone
PDT – Pacific Daylight Time, UTC-7 (daylight saving time)
Los Angeles Facts
Auckland Time Zone and Facts
Time Zone
NZST – New Zealand Standard Time, UTC+12 (standard time)
