Updating current time…
GuamChST
UTC+10
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AEST
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Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Quick answers

Selected conversion

10:00 pm22:00 ChST (UTC+10), Oct 16, 2026 = 10:00 pm22:00 AEST (UTC+10), Oct 16, 2026

Hagåtña and AEST have the same local time.

How the time difference changes

Hagatna and AEST have the same time year-round.

Working hours of 9:00 am to 6:00 pm in Hagatna correspond to 9:00 am to 6:00 pm in AEST.Working hours of 09:00 to 18:00 in Hagatna correspond to 09:00 to 18:00 in AEST.

Compare Hagatna time with AEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

ChST (Chamorro Standard Time) and Australian Eastern Standard Time have the same local time.
10:00 pm22:00 in Hagatna, Guam is 10:00 pm22:00 in AEST

Hagåtña to AEST call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in Hagåtña which corresponds to 9am-6pm09:00-18:00 in AEST

10:00 pm22:00 ChST (Chamorro Standard Time) (Hagatna, Guam). Offset UTC +10:00 hours
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours

10:00 pm22:00 Hagatna, Guam / 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.

Hourly time comparison
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Hagåtña Time Zone and Facts

Time Zone

Abbreviation / Offset
ChST – Chamorro Standard Time, UTC+10 (no daylight saving time)

Hagåtña Facts

Country
Guam
Alternative Names
Agadna, Agana, Agana -1998, Agania, Aganija, Aganja, Agano, Agaña, Aguana, Akashi, Akashi - JP renamed WW2, Ankana, City of Ignacio de Agana, City of Saint Ignacio de Agana, Ciudad de San Ignacio de Agana, Hagadna, Hagatna, Hagåtña, Haqatna, Jagatna, Khagatna, San Ignacio de Agana *, Ville d'Agana, Vjoska Agan'ja, a jia ni ya, akatna, ha katya, hagania, hagasnya, hagatna, hagatnya, haghatnya, hegatn'ya, Αγκάνα, Вёска Аганья, Хагатна, Хагатња, Հագատնա, هاغاتنيا, هاگاتنا, هاگاتنیا, हेगात्न्या, அகாத்ன, ฮากาตญา, ჰაგატნა, ハガニア, 阿加尼亚, 하갓냐
Population
1,051
Currency
Dollar (USD)
Geographic Coordinates
13° 28' N Latitude / 144° 44' E Longitude

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.

Map of the areas on Australian Eastern Standard Time (AEST)
AEST all year AEST part of the year

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).

123456789101112End: 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.

123456789101112Start: 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

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 an offset of ten hours 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