AEST
Australian Eastern Standard Time
GMT +10
Australia
AWST
Australia
ACST

Time Difference

Australian Eastern Standard Time is 2 hours ahead of AWST (Australian Western Standard Time) and 0 hours and 30 minutes ahead of ACST (Australian Central Standard Time)
1:00 pm13:00 in AEST is 11:00 am11:00 in Perth, Australia and is 12:30 pm12:30 in Adelaide, Australia

AEST to Perth call time
Best time for a conference call or a meeting is between 10am-6pm in AEST which corresponds to 8am-4pm in Perth
AEST to Adelaide 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 Adelaide

1:00 pm13:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
11:00 am11:00 AWST (Australian Western Standard Time) (Perth, Australia). Offset UTC +8:00 hours
12:30 pm12:30 ACST (Australian Central Standard Time) (Adelaide, Australia). Offset UTC +9:30 hours

1:00 pm13:00 AEST / 11:00 am11:00 Perth, Australia / 12:30 pm12:30 Adelaide, Australia

AEST Perth, Australia Adelaide, Australia
12am (midnight) 10pm 11:30 pm
1am 11pm 12:30 am
2am 12am (midnight) 1:30 am
3am 1am 2:30 am
4am 2am 3:30 am
5am 3am 4:30 am
6am 4am 5:30 am
7am 5am 6:30 am
8am 6am 7:30 am
9am 7am 8:30 am
10am 8am 9:30 am
11am 9am 10:30 am
12pm (noon) 10am 11:30 am
1pm 11am 12:30 pm
2pm 12pm (noon) 1:30 pm
3pm 1pm 2:30 pm
4pm 2pm 3:30 pm
5pm 3pm 4:30 pm
6pm 4pm 5:30 pm
7pm 5pm 6:30 pm
8pm 6pm 7:30 pm
9pm 7pm 8:30 pm
10pm 8pm 9:30 pm
11pm 9pm 10:30 pm
0:00 22:00 23:30
1:00 23:00 0:30
2:00 0:00 1:30
3:00 1:00 2:30
4:00 2:00 3:30
5:00 3:00 4:30
6:00 4:00 5:30
7:00 5:00 6:30
8:00 6:00 7:30
9:00 7:00 8:30
10:00 8:00 9:30
11:00 9:00 10:30
12:00 10:00 11:30
13:00 11:00 12:30
14:00 12:00 13:30
15:00 13:00 14:30
16:00 14:00 15:30
17:00 15:00 16:30
18:00 16:00 17:30
19:00 17:00 18:30
20:00 18:00 19:30
21:00 19:00 20:30
22:00 20:00 21:30
23:00 21:00 22:30

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

AEST Time Zone Geo Map
AEST timezone map

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).

Daylight saving time clock moves back for one hour from 3am to 2amStart: 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.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
Time zones with the GMT +10 offset:
  • 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

Perth Information

Time Zone

Abbreviation / Name
AWST - Australian Western Standard Time
AWDT - Australian Western Daylight Time
UTC / GMT Offset
+8:00 hours during Australian Western Standard Time, currently in use.
+9:00 hours during Australian Western Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Perth Facts

Country
Australia
Alternative Names
PER, Peairt, Pert, Perta, Pertas, Perth, Perth City, Perthia, Perto, Perþ, Pirth, Purt, Pērta, byrth, part, partha, pasu, peoseu, pert, pheirth, po si, prt, prt', prtھ asٹrylya, Περθ, Перт, Пертһ, Пърт, Պերթ, פרת', بيرث, پرت, پرتھ، آسٹریلیا, पर्थ, பேர்த், ಪರ್ತ್, പെർത്ത്, เพิร์ท, ပါ့သ်မြို့, პერთი, パース, 珀斯, 퍼스
Population
1,896,548
Currency
Dollar (AUD)
Geographic Coordinates
31° 57' S Latitude / 115° 51' E Longitude
International Dialing Code
+61

Adelaide Information

Time Zone

Abbreviation / Name
ACST - Australian Central Standard Time
ACDT - Australian Central Daylight Time
UTC / GMT Offset
+9:30 hours during Australian Central Standard Time, currently in use.
+10:30 hours during Australian Central Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am 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.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2am 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

Country
Australia
Alternative Names
ADL, Adehlaida, Adelaida, Adelaidae, Adelaide, Adelaidis, Adelaidė, Adelajda, Adelajdo, Adelaïda, Adelaïde, Adelejd, Adelàida, Adélaïde, Edelaid, Tarndanya, Tarndarnya, a de lai de, adelaida, aderedo, adilaid, adiled, adlayd, adylyd, aedeulleideu, atileyit, edile'ida, edileda, Αδελαΐδα, Аделаидæ, Аделаида, Аделаїда, Аделейд, Аделејд, Адэлаіда, Ադելաիդա, אדלייד, آدلاید, أديليد, ئادېلايدې, ایڈیلیڈ, एडिलेड, ॲdaleda, ॲडलेड, એડિલેઇડ, அடிலெயிட், అడిలైడ్, ಅಡಿಲೇಡ್, അഡിലെയ്‌ഡ്, แอดิเลด, အက်ဒလိတ်မြို့, ადელაიდა, アデレード, 阿德来得, 阿德莱德, 애들레이드
Population
1,225,235
Currency
Dollar (AUD)
Geographic Coordinates
34° 55' S Latitude / 138° 35' E Longitude
International Dialing Code
+61