AWST to AWDT to ACDT to AEST Time Converter
AWDT is not used on this date.
This converter uses AWST (UTC+8), as in Perth.
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.
Queensland stays on AEST (UTC+10).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 pm20:00 AWST (UTC+8), Oct 23, 2026 = 8:00 pm20:00 AWST (UTC+8), Oct 23, 2026 = 10:30 pm22:30 ACDT (UTC+10:30), Oct 23, 2026 = 10:00 pm22:00 AEST (UTC+10), Oct 23, 2026
AWST and AWST have the same local time. AWST is 2 hours and 30 minutes behind ACDT. AWST is 2 hours behind AEST.
How the time difference changes
AWST to AWDT
The AWST and AWDT converter rows show the same time year-round.
Working hours of 9:00 am to 6:00 pm on the AWST converter row correspond to 9:00 am to 6:00 pm on the AWDT converter row.Working hours of 09:00 to 18:00 on the AWST converter row correspond to 09:00 to 18:00 on the AWDT converter row.
AWST to ACDT
Depending on seasonal clock changes, AWST is 1 hour and 30 minutes behind ACST or AWST is 2 hours and 30 minutes behind ACDT.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in AWST correspond to 10:30 am to 7:30 pm in ACST or working hours of 9:00 am to 6:00 pm in AWST correspond to 11:30 am to 8:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in AWST correspond to 10:30 to 19:30 in ACST or working hours of 09:00 to 18:00 in AWST correspond to 11:30 to 20:30 in ACDT.
AWST to AEST
AWST is 2 hours behind AEST year-round.
Working hours of 9:00 am to 6:00 pm in AWST correspond to 11:00 am to 8:00 pm in AEST.Working hours of 09:00 to 18:00 in AWST correspond to 11:00 to 20:00 in AEST.
Compare AWST time with AWDT, ACDT, and AEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Australian Western Standard Time and Australian Western Standard Time have the same local time. Australian Western Standard Time is 2 hours and 30 minutes behind Australian Central Daylight Time. Australian Western Standard Time is 2 hours behind Australian Eastern Standard Time.
8:00 pm20:00 in AWST is 8:00 pm20:00 in AWST and is 10:30 pm22:30 in ACDT and is 10:00 pm22:00 in AEST
AWST to AWST call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in AWST which corresponds to 9am-6pm09:00-18:00 in AWST
AWST to ACDT call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in AWST which corresponds to 11:30am-6pm11:30-18:00 in ACDT
AWST to AEST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in AWST which corresponds to 11am-6pm11:00-18:00 in AEST
8:00 pm20:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours
8:00 pm20:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
8:00 pm20:00 AWST / 8:00 pm20:00 AWST / 10:30 pm22:30 ACDT / 10:00 pm22:00 AEST
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.
| AWST | AWST | ACDT | AEST |
|---|---|---|---|
| 12:00am | 2:30am | 2:00am | |
| 1:00am | 3:30am | 3:00am | |
| 2:00am | 4:30am | 4:00am | |
| 3:00am | 5:30am | 5:00am | |
| 4:00am | 6:30am | 6:00am | |
| 5:00am | 7:30am | 7:00am | |
| 6:00am | 8:30am | 8:00am | |
| 7:00am | 9:30am | 9:00am | |
| 8:00am | 10:30am | 10:00am | |
| 9:00am | 11:30am | 11:00am | |
| 10:00am | 12:30pm | 12:00pm | |
| 11:00am | 1:30pm | 1:00pm | |
| 12:00pm | 2:30pm | 2:00pm | |
| 1:00pm | 3:30pm | 3:00pm | |
| 2:00pm | 4:30pm | 4:00pm | |
| 3:00pm | 5:30pm | 5:00pm | |
| 4:00pm | 6:30pm | 6:00pm | |
| 5:00pm | 7:30pm | 7:00pm | |
| 6:00pm | 8:30pm | 8:00pm | |
| 7:00pm | 9:30pm | 9:00pm | |
| 8:00pm | 10:30pm | 10:00pm | |
| 9:00pm | 11:30pm | 11:00pm | |
| 10:00pm | 12:30am next day | 12:00am next day | |
| 11:00pm | 1:30am next day | 1:00am next day | |
| 00:00 | 02:30 | 02:00 | |
| 01:00 | 03:30 | 03:00 | |
| 02:00 | 04:30 | 04:00 | |
| 03:00 | 05:30 | 05:00 | |
| 04:00 | 06:30 | 06:00 | |
| 05:00 | 07:30 | 07:00 | |
| 06:00 | 08:30 | 08:00 | |
| 07:00 | 09:30 | 09:00 | |
| 08:00 | 10:30 | 10:00 | |
| 09:00 | 11:30 | 11:00 | |
| 10:00 | 12:30 | 12:00 | |
| 11:00 | 13:30 | 13:00 | |
| 12:00 | 14:30 | 14:00 | |
| 13:00 | 15:30 | 15:00 | |
| 14:00 | 16:30 | 16:00 | |
| 15:00 | 17:30 | 17:00 | |
| 16:00 | 18:30 | 18:00 | |
| 17:00 | 19:30 | 19:00 | |
| 18:00 | 20:30 | 20:00 | |
| 19:00 | 21:30 | 21:00 | |
| 20:00 | 22:30 | 22:00 | |
| 21:00 | 23:30 | 23:00 | |
| 22:00 | 00:30 next day | 00:00 next day | |
| 23:00 | 01:30 next day | 01:00 next day |
Australian Western Standard Time
Offset: AWST is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Principal Cities: The largest city in the AWST time zone is Perth in Australia, with about 2.384 million people. Other major cities in this time zone include Mandurah, Bunbury, Geraldton, Albany.
Daylight Saving: Clocks in Australian Western Standard Time (AWST) do not change for daylight saving time, so AWST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
AWST 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 east of the zero meridian.
- Hotel - Military abbreviation for AWST
- H - short form of 'Hotel'
- Australia/Perth
- Australia/West
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
Australian Western Daylight Time
Offset: AWDT is 9 hours ahead of Greenwich Mean Time (GMT).
AWDT representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for AWDT
- I - short form of 'India'
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time
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.
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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.
Today the lighter areas are on UTC+11 (AEDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).
End: Australian Eastern Standard Time (AEST) ended 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 local daylight time instead. Standard time ends annually on the first Sunday of October.
Start: Australian Eastern Standard Time (AEST) starts 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. Standard time starts annually on the first Sunday of April.
See Australia daylight saving time and upcoming clock changes worldwide.
Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra
Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.
AEST representations, usage and related time zones
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- Antarctica/Macquarie
- Australia/ACT
- Australia/Brisbane
- Australia/Canberra
- Australia/Currie
- Australia/Hobart
- Australia/Lindeman
- Australia/Melbourne
- Australia/NSW
- Australia/Queensland
- Australia/Sydney
- Australia/Tasmania
- Australia/Victoria
- AEST - Australian Eastern Standard Time
- CHUT - Chuuk Time
- ChST - Chamorro Standard Time
- K - Kilo Time Zone
- KDT - Korea Daylight Time
- PGT - Papua New Guinea Time
- VLAT - Vladivostok Time
- YAKST - Yakutsk Summer Time
- YAPT - Yap Time