ACDT to PETST Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
ACDT and PETST examples
These examples always use ACDT (UTC+10:30) and PETST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
ACDT is 1 hour and 30 minutes behind PETST.
How the time difference changes
Depending on seasonal clock changes, ACDT is 1 hour and 30 minutes behind PETST or ACST is 2 hours and 30 minutes behind PETST.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in ACDT correspond to 10:30 am to 6:30 pm in PETST or working hours of 9:00 am to 5:00 pm in ACST correspond to 11:30 am to 7:30 pm in PETST.
Compare ACDT time with PETST 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 1 hour and 30 minutes behind Kamchatka Summer Time
10:30 pm22:30 in ACDT is 12:00 am00:00 in PETST
ACDT to PETST call time
Best time for a conference call or a meeting is between 9am-3:30pm in ACDT which corresponds to 10:30am-5pm in PETST
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
12:00 am00:00 Kamchatka Summer Time (PETST). Offset UTC +12:00 hours
10:30 pm22:30 ACDT / 12:00 am00:00 PETST
| ACDT | PETST |
|---|---|
| 12am (midnight) | 1:30 am |
| 1am | 2:30 am |
| 2am | 3:30 am |
| 3am | 4:30 am |
| 4am | 5:30 am |
| 5am | 6:30 am |
| 6am | 7:30 am |
| 7am | 8:30 am |
| 8am | 9:30 am |
| 9am | 10:30 am |
| 10am | 11:30 am |
| 11am | 12:30 pm |
| 12pm (noon) | 1:30 pm |
| 1pm | 2:30 pm |
| 2pm | 3:30 pm |
| 3pm | 4:30 pm |
| 4pm | 5:30 pm |
| 5pm | 6:30 pm |
| 6pm | 7:30 pm |
| 7pm | 8:30 pm |
| 8pm | 9:30 pm |
| 9pm | 10:30 pm |
| 10pm | 11:30 pm |
| 11pm | 12:30 am |
| 00:00 | 01:30 |
| 01:00 | 02:30 |
| 02:00 | 03:30 |
| 03:00 | 04:30 |
| 04:00 | 05:30 |
| 05:00 | 06:30 |
| 06:00 | 07:30 |
| 07:00 | 08:30 |
| 08:00 | 09:30 |
| 09:00 | 10:30 |
| 10:00 | 11:30 |
| 11:00 | 12:30 |
| 12:00 | 13:30 |
| 13:00 | 14:30 |
| 14:00 | 15:30 |
| 15:00 | 16:30 |
| 16:00 | 17:30 |
| 17:00 | 18:30 |
| 18:00 | 19:30 |
| 19:00 | 20:30 |
| 20:00 | 21:30 |
| 21:00 | 22:30 |
| 22:00 | 23:30 |
| 23:00 | 00:30 |
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
Kamchatka Summer Time
Offset: PETST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Russia
Principal Cities: The largest city in the PETST time zone is Petropavlovsk Kamchatsky in Russia, with about 181,216 people. Other major cities in this time zone include Yelizovo, Vilyuchinsk.
Daylight Saving: Clocks in Kamchatka Summer Time (PETST) do not change for daylight saving time, so PETST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
PETST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
- Mike - Military abbreviation for PETST
- M - short form of 'Mike'
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna Time
