Perth to ACDT Time Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
How the time difference changes
Depending on seasonal clock changes, Perth is 1 hour and 30 minutes behind ACST or Perth is 2 hours and 30 minutes behind ACDT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in Perth correspond to 10:30 am to 6:30 pm in ACST or working hours of 9:00 am to 5:00 pm in Perth correspond to 11:30 am to 7:30 pm in ACDT.
Compare Perth time with ACDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
AWST (Australian Western Standard Time) is 2 hours and 30 minutes behind Australian Central Daylight Time
8:00 pm20:00 in Perth, Australia is 10:30 pm22:30 in ACDT
Perth to ACDT call time
Best time for a conference call or a meeting is between 9am-2:30pm in Perth which corresponds to 11:30am-5pm in ACDT
8:00 pm20:00 AWST (Australian Western Standard Time) (Perth, Australia). Offset UTC +8:00 hours
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
8:00 pm20:00 Perth, Australia / 10:30 pm22:30 ACDT
| Perth, Australia | ACDT |
|---|---|
| 12am (midnight) | 2:30 am |
| 1am | 3:30 am |
| 2am | 4:30 am |
| 3am | 5:30 am |
| 4am | 6:30 am |
| 5am | 7:30 am |
| 6am | 8:30 am |
| 7am | 9:30 am |
| 8am | 10:30 am |
| 9am | 11:30 am |
| 10am | 12:30 pm |
| 11am | 1:30 pm |
| 12pm (noon) | 2:30 pm |
| 1pm | 3:30 pm |
| 2pm | 4:30 pm |
| 3pm | 5:30 pm |
| 4pm | 6:30 pm |
| 5pm | 7:30 pm |
| 6pm | 8:30 pm |
| 7pm | 9:30 pm |
| 8pm | 10:30 pm |
| 9pm | 11:30 pm |
| 10pm | 12:30 am |
| 11pm | 1:30 am |
| 00:00 | 02:30 |
| 01:00 | 03:30 |
| 02:00 | 04:30 |
| 03:00 | 05:30 |
| 04:00 | 06:30 |
| 05:00 | 07:30 |
| 06:00 | 08:30 |
| 07:00 | 09:30 |
| 08:00 | 10:30 |
| 09:00 | 11:30 |
| 10:00 | 12:30 |
| 11:00 | 13:30 |
| 12:00 | 14:30 |
| 13:00 | 15:30 |
| 14:00 | 16:30 |
| 15:00 | 17:30 |
| 16:00 | 18:30 |
| 17:00 | 19:30 |
| 18:00 | 20:30 |
| 19:00 | 21:30 |
| 20:00 | 22:30 |
| 21:00 | 23:30 |
| 22:00 | 00:30 |
| 23:00 | 01:30 |
Perth Information
Time Zone
Perth Facts
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
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 Adelaide Hills, Mount Gambier, Morphett Vale, Broken Hill.

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 5, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, October 5, 2025, 3:00 am. Daylight saving starts annually on the first Sunday of October
End: Australian Central Daylight Time (ACDT) ends on Sunday, April 5, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, April 5, 2026, 2:00 am 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
