UTC to AEST to Adelaide, Australia to Perth, Australia to Brisbane, Australia
Time Difference
Universal Time Coordinated is 10 hours behind Australian Eastern Standard Time and 9 hours and 30 minutes behind ACST (Australian Central Standard Time) and 8 hours behind AWST (Australian Western Standard Time) and 10 hours behind AEST (Australian Eastern Standard Time)
12:30 pm12:30 in UTC is 10:30 pm22:30 in AEST and is 10:00 pm22:00 in Adelaide, Australia and is 8:30 pm20:30 in Perth, Australia and is 10:30 pm22:30 in Brisbane, Australia
UTC to AEST call time
Best time for a conference call or a meeting is between 8am-10am in UTC which corresponds to 6pm-8pm in AEST
UTC to Adelaide call time
Best time for a conference call or a meeting is between 8am-10am in UTC which corresponds to 5:30pm-7:30pm in Adelaide
UTC to Perth call time
Best time for a conference call or a meeting is between 8am-10am in UTC which corresponds to 4pm-6pm in Perth
UTC to Brisbane call time
Best time for a conference call or a meeting is between 8am-10am in UTC which corresponds to 6pm-8pm in Brisbane
12:30 pm12:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
10:30 pm22:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
10:00 pm22:00 ACST (Australian Central Standard Time) (Adelaide, Australia). Offset UTC +9:30 hours
8:30 pm20:30 AWST (Australian Western Standard Time) (Perth, Australia). Offset UTC +8:00 hours
10:30 pm22:30 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
12:30 pm12:30 UTC / 10:30 pm22:30 AEST / 10:00 pm22:00 Adelaide, Australia / 8:30 pm20:30 Perth, Australia / 10:30 pm22:30 Brisbane, Australia
| UTC | AEST | Adelaide, Australia | Perth, Australia | Brisbane, Australia |
|---|---|---|---|---|
| 12am (midnight) | 10am | 9:30 am | 8am | 10am |
| 1am | 11am | 10:30 am | 9am | 11am |
| 2am | 12pm (noon) | 11:30 am | 10am | 12pm (noon) |
| 3am | 1pm | 12:30 pm | 11am | 1pm |
| 4am | 2pm | 1:30 pm | 12pm (noon) | 2pm |
| 5am | 3pm | 2:30 pm | 1pm | 3pm |
| 6am | 4pm | 3:30 pm | 2pm | 4pm |
| 7am | 5pm | 4:30 pm | 3pm | 5pm |
| 8am | 6pm | 5:30 pm | 4pm | 6pm |
| 9am | 7pm | 6:30 pm | 5pm | 7pm |
| 10am | 8pm | 7:30 pm | 6pm | 8pm |
| 11am | 9pm | 8:30 pm | 7pm | 9pm |
| 12pm (noon) | 10pm | 9:30 pm | 8pm | 10pm |
| 1pm | 11pm | 10:30 pm | 9pm | 11pm |
| 2pm | 12am (midnight) | 11:30 pm | 10pm | 12am (midnight) |
| 3pm | 1am | 12:30 am | 11pm | 1am |
| 4pm | 2am | 1:30 am | 12am (midnight) | 2am |
| 5pm | 3am | 2:30 am | 1am | 3am |
| 6pm | 4am | 3:30 am | 2am | 4am |
| 7pm | 5am | 4:30 am | 3am | 5am |
| 8pm | 6am | 5:30 am | 4am | 6am |
| 9pm | 7am | 6:30 am | 5am | 7am |
| 10pm | 8am | 7:30 am | 6am | 8am |
| 11pm | 9am | 8:30 am | 7am | 9am |
| 0:00 | 10:00 | 9:30 | 8:00 | 10:00 |
| 1:00 | 11:00 | 10:30 | 9:00 | 11:00 |
| 2:00 | 12:00 | 11:30 | 10:00 | 12:00 |
| 3:00 | 13:00 | 12:30 | 11:00 | 13:00 |
| 4:00 | 14:00 | 13:30 | 12:00 | 14:00 |
| 5:00 | 15:00 | 14:30 | 13:00 | 15:00 |
| 6:00 | 16:00 | 15:30 | 14:00 | 16:00 |
| 7:00 | 17:00 | 16:30 | 15:00 | 17:00 |
| 8:00 | 18:00 | 17:30 | 16:00 | 18:00 |
| 9:00 | 19:00 | 18:30 | 17:00 | 19:00 |
| 10:00 | 20:00 | 19:30 | 18:00 | 20:00 |
| 11:00 | 21:00 | 20:30 | 19:00 | 21:00 |
| 12:00 | 22:00 | 21:30 | 20:00 | 22:00 |
| 13:00 | 23:00 | 22:30 | 21:00 | 23:00 |
| 14:00 | 0:00 | 23:30 | 22:00 | 0:00 |
| 15:00 | 1:00 | 0:30 | 23:00 | 1:00 |
| 16:00 | 2:00 | 1:30 | 0:00 | 2:00 |
| 17:00 | 3:00 | 2:30 | 1:00 | 3:00 |
| 18:00 | 4:00 | 3:30 | 2:00 | 4:00 |
| 19:00 | 5:00 | 4:30 | 3:00 | 5:00 |
| 20:00 | 6:00 | 5:30 | 4:00 | 6:00 |
| 21:00 | 7:00 | 6:30 | 5:00 | 7:00 |
| 22:00 | 8:00 | 7:30 | 6:00 | 8:00 |
| 23:00 | 9:00 | 8:30 | 7:00 | 9:00 |
Universal Time Coordinated
Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
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
Adelaide Information
Time Zone
ACDT - Australian Central Daylight Time
+10:30 hours during Australian Central Daylight Time.
Sunday, October 5, 2025 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 5, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 6, 2025 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 6, 2025, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Adelaide Facts
Perth Information
Time Zone
AWDT - Australian Western Daylight Time
+9:00 hours during Australian Western Daylight Time.