UTC to AEST to Adelaide, Australia to Perth, Australia to Brisbane, Australia
Compare UTC time with AEST, Adelaide, Perth, and Brisbane time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
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)
4:00 pm16:00 in UTC is 2:00 am02:00 in AEST and is 1:30 am01:30 in Adelaide, Australia and is 12:00 am00:00 in Perth, Australia and is 2:00 am02:00 in Brisbane, Australia
UTC to AEST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in UTC which corresponds to 5:30pm-6:30pm in AEST
UTC to Adelaide call time
Best time for a conference call or a meeting is between 8am-9am in UTC which corresponds to 5:30pm-6:30pm in Adelaide
UTC to Perth call time
Best time for a conference call or a meeting is between 8:30am-9:30am in UTC which corresponds to 4:30pm-5:30pm in Perth
UTC to Brisbane call time
Best time for a conference call or a meeting is between 7:30am-8:30am in UTC which corresponds to 5:30pm-6:30pm in Brisbane
4:00 pm16:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
2:00 am02:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
1:30 am01:30 ACST (Australian Central Standard Time) (Adelaide, Australia). Offset UTC +9:30 hours
12:00 am00:00 AWST (Australian Western Standard Time) (Perth, Australia). Offset UTC +8:00 hours
2:00 am02:00 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
4:00 pm16:00 UTC / 2:00 am02:00 AEST / 1:30 am01:30 Adelaide, Australia / 12:00 am00:00 Perth, Australia / 2:00 am02:00 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 |
| 00:00 | 10:00 | 09:30 | 08:00 | 10:00 |
| 01:00 | 11:00 | 10:30 | 09:00 | 11:00 |
| 02:00 | 12:00 | 11:30 | 10:00 | 12:00 |
| 03:00 | 13:00 | 12:30 | 11:00 | 13:00 |
| 04:00 | 14:00 | 13:30 | 12:00 | 14:00 |
| 05:00 | 15:00 | 14:30 | 13:00 | 15:00 |
| 06:00 | 16:00 | 15:30 | 14:00 | 16:00 |
| 07:00 | 17:00 | 16:30 | 15:00 | 17:00 |
| 08:00 | 18:00 | 17:30 | 16:00 | 18:00 |
| 09:00 | 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 | 00:00 | 23:30 | 22:00 | 00:00 |
| 15:00 | 01:00 | 00:30 | 23:00 | 01:00 |
| 16:00 | 02:00 | 01:30 | 00:00 | 02:00 |
| 17:00 | 03:00 | 02:30 | 01:00 | 03:00 |
| 18:00 | 04:00 | 03:30 | 02:00 | 04:00 |
| 19:00 | 05:00 | 04:30 | 03:00 | 05:00 |
| 20:00 | 06:00 | 05:30 | 04:00 | 06:00 |
| 21:00 | 07:00 | 06:30 | 05:00 | 07:00 |
| 22:00 | 08:00 | 07:30 | 06:00 | 08:00 |
| 23:00 | 09:00 | 08:30 | 07:00 | 09:00 |
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 the zero UTC/GMT offset.
- 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 using this time zone: Australia
Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 4.627 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Canberra.

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).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 4, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, October 4, 2026, 3:00 am local daylight time instead. Standard time ends annually on the 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 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
Adelaide Information
Time Zone
ACDT - Australian Central Daylight Time
+10:30 hours during Australian Central Daylight Time.
Sunday, October 4, 2026 at 2:00 am local time. DST starts annually on the 1st Sunday of October. Clocks are turned forward 1 hour to Sunday, October 4, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, April 5, 2026 at 3:00 am local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.