AEST to AEST to ACST to ACST to AWDT to AWST
Time Difference
Australian Eastern Standard Time is 0 hours ahead of Australian Eastern Standard Time and 0 hours and 30 minutes ahead of Australian Central Standard Time and 0 hours and 30 minutes ahead of Australian Central Standard Time and 1 hour ahead of Australian Western Daylight Time and 2 hours ahead of Australian Western Standard Time
12:00 pm12:00 in AEST is 12:00 pm12:00 in AEST and is 11:30 am11:30 in ACST and is 11:30 am11:30 in ACST and is 11:00 am11:00 in AWDT and is 10:00 am10:00 in AWST
AEST to AEST call time
Best time for a conference call or a meeting is between 8am-6pm in AEST which corresponds to 8am-6pm in AEST
AEST to ACST call time
Best time for a conference call or a meeting is between 8:30am-6pm in AEST which corresponds to 8am-5:30pm in ACST
AEST to ACST call time
Best time for a conference call or a meeting is between 8:30am-6pm in AEST which corresponds to 8am-5:30pm in ACST
AEST to AWDT call time
Best time for a conference call or a meeting is between 9am-6pm in AEST which corresponds to 8am-5pm in AWDT
AEST to AWST call time
Best time for a conference call or a meeting is between 10am-6pm in AEST which corresponds to 8am-4pm in AWST
12:00 pm12:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
12:00 pm12:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
11:30 am11:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
11:30 am11:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
11:00 am11:00 Australian Western Daylight Time (AWDT). Offset UTC +9:00 hours
10:00 am10:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours
12:00 pm12:00 AEST / 12:00 pm12:00 AEST / 11:30 am11:30 ACST / 11:30 am11:30 ACST / 11:00 am11:00 AWDT / 10:00 am10:00 AWST
| AEST | AEST | ACST | ACST | AWDT | AWST |
|---|---|---|---|---|---|
| 12am (midnight) | 12am (midnight) | 11:30 pm | 11:30 pm | 11pm | 10pm |
| 1am | 1am | 12:30 am | 12:30 am | 12am (midnight) | 11pm |
| 2am | 2am | 1:30 am | 1:30 am | 1am | 12am (midnight) |
| 3am | 3am | 2:30 am | 2:30 am | 2am | 1am |
| 4am | 4am | 3:30 am | 3:30 am | 3am | 2am |
| 5am | 5am | 4:30 am | 4:30 am | 4am | 3am |
| 6am | 6am | 5:30 am | 5:30 am | 5am | 4am |
| 7am | 7am | 6:30 am | 6:30 am | 6am | 5am |
| 8am | 8am | 7:30 am | 7:30 am | 7am | 6am |
| 9am | 9am | 8:30 am | 8:30 am | 8am | 7am |
| 10am | 10am | 9:30 am | 9:30 am | 9am | 8am |
| 11am | 11am | 10:30 am | 10:30 am | 10am | 9am |
| 12pm (noon) | 12pm (noon) | 11:30 am | 11:30 am | 11am | 10am |
| 1pm | 1pm | 12:30 pm | 12:30 pm | 12pm (noon) | 11am |
| 2pm | 2pm | 1:30 pm | 1:30 pm | 1pm | 12pm (noon) |
| 3pm | 3pm | 2:30 pm | 2:30 pm | 2pm | 1pm |
| 4pm | 4pm | 3:30 pm | 3:30 pm | 3pm | 2pm |
| 5pm | 5pm | 4:30 pm | 4:30 pm | 4pm | 3pm |
| 6pm | 6pm | 5:30 pm | 5:30 pm | 5pm | 4pm |
| 7pm | 7pm | 6:30 pm | 6:30 pm | 6pm | 5pm |
| 8pm | 8pm | 7:30 pm | 7:30 pm | 7pm | 6pm |
| 9pm | 9pm | 8:30 pm | 8:30 pm | 8pm | 7pm |
| 10pm | 10pm | 9:30 pm | 9:30 pm | 9pm | 8pm |
| 11pm | 11pm | 10:30 pm | 10:30 pm | 10pm | 9pm |
| 0:00 | 0:00 | 23:30 | 23:30 | 23:00 | 22:00 |
| 1:00 | 1:00 | 0:30 | 0:30 | 0:00 | 23:00 |
| 2:00 | 2:00 | 1:30 | 1:30 | 1:00 | 0:00 |
| 3:00 | 3:00 | 2:30 | 2:30 | 2:00 | 1:00 |
| 4:00 | 4:00 | 3:30 | 3:30 | 3:00 | 2:00 |
| 5:00 | 5:00 | 4:30 | 4:30 | 4:00 | 3:00 |
| 6:00 | 6:00 | 5:30 | 5:30 | 5:00 | 4:00 |
| 7:00 | 7:00 | 6:30 | 6:30 | 6:00 | 5:00 |
| 8:00 | 8:00 | 7:30 | 7:30 | 7:00 | 6:00 |
| 9:00 | 9:00 | 8:30 | 8:30 | 8:00 | 7:00 |
| 10:00 | 10:00 | 9:30 | 9:30 | 9:00 | 8:00 |
| 11:00 | 11:00 | 10:30 | 10:30 | 10:00 | 9:00 |
| 12:00 | 12:00 | 11:30 | 11:30 | 11:00 | 10:00 |
| 13:00 | 13:00 | 12:30 | 12:30 | 12:00 | 11:00 |
| 14:00 | 14:00 | 13:30 | 13:30 | 13:00 | 12:00 |
| 15:00 | 15:00 | 14:30 | 14:30 | 14:00 | 13:00 |
| 16:00 | 16:00 | 15:30 | 15:30 | 15:00 | 14:00 |
| 17:00 | 17:00 | 16:30 | 16:30 | 16:00 | 15:00 |
| 18:00 | 18:00 | 17:30 | 17:30 | 17:00 | 16:00 |
| 19:00 | 19:00 | 18:30 | 18:30 | 18:00 | 17:00 |
| 20:00 | 20:00 | 19:30 | 19:30 | 19:00 | 18:00 |
| 21:00 | 21:00 | 20:30 | 20:30 | 20:00 | 19:00 |
| 22:00 | 22:00 | 21:30 | 21:30 | 21:00 | 20:00 |
| 23:00 | 23:00 | 22:30 | 22:30 | 22:00 | 21:00 |
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
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 ten hour and zero minutes time differences 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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
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 ten hour and zero minutes time differences 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
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: Australian Central Standard Time (ACST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.
End: Australian Central Standard Time (ACST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/Darwin
- Australia/North
- Australia/South
- Australia/Yancowinna
Australian Western Daylight Time
Offset: AWDT is 9 hours ahead Greenwich Mean Time (GMT) and is used in Australia
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 nine hour and zero minutes time differences 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 Western Standard Time
Offset: AWST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AWST timezone is Perth from Australia with population about 1.897 million people. Other major cities in the area are Rockingham, Mandurah, Bunbury, Armadale
Daylight Saving: Australian Western Standard Time (AWST) is not adjusted for daylight saving therefore AWST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Australian Western Standard Time remains the same
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 eight hour and zero minutes time differences 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