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GuamChST
UTC+10
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ACDT
12am
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Quick answers

Selected conversion

10:00 pm22:00 ChST (UTC+10), Oct 16, 2026 = 10:30 pm22:30 ACDT (UTC+10:30), Oct 16, 2026

Tamuning-Tumon-Harmon Village is 30 minutes behind ACDT.

How the time difference changes

Depending on seasonal clock changes, Tamuning-Tumon-Harmon Village is 30 minutes ahead of ACST or Tamuning-Tumon-Harmon Village is 30 minutes behind ACDT.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in Tamuning-Tumon-Harmon Village correspond to 8:30 am to 5:30 pm in ACST or working hours of 9:00 am to 6:00 pm in Tamuning-Tumon-Harmon Village correspond to 9:30 am to 6:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in Tamuning-Tumon-Harmon Village correspond to 08:30 to 17:30 in ACST or working hours of 09:00 to 18:00 in Tamuning-Tumon-Harmon Village correspond to 09:30 to 18:30 in ACDT.

Compare Tamuning-Tumon-Harmon Village time with ACDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

ChST (Chamorro Standard Time) is 30 minutes behind Australian Central Daylight Time.
10:00 pm22:00 in Tamuning-Tumon-Harmon Village, Guam is 10:30 pm22:30 in ACDT

Tamuning-Tumon-Harmon Village to ACDT call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in Tamuning-Tumon-Harmon Village which corresponds to 9:30am-6pm09:30-18:00 in ACDT

10:00 pm22:00 ChST (Chamorro Standard Time) (Tamuning-Tumon-Harmon Village, Guam). Offset UTC +10:00 hours
10:30 pm22:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours

10:00 pm22:00 Tamuning-Tumon-Harmon Village, Guam / 10:30 pm22:30 ACDT

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Hourly time comparison
Tamuning-Tumon-Harmon Village, GuamACDT
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Tamuning-Tumon-Harmon Village Time Zone and Facts

Time Zone

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

Tamuning-Tumon-Harmon Village Facts

Country
Guam
Alternative Names
Maria Christina, Timoneng
Population
19,685
Currency
Dollar (USD)
Geographic Coordinates
13° 29' N Latitude / 144° 46' E Longitude
More About Tamuning-Tumon-Harmon Village

Australian Central Daylight Time

Offset: ACDT is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Mount Gambier, Mount Barker, Whyalla, Gawler.

Map of the areas on Australian Central Daylight Time (ACDT)
ACDT part of the year

Today all shaded areas are on ACDT.

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Australian Central Standard Time (ACST).

123456789101112Start: Australian Central Daylight Time (ACDT) started 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. Daylight saving starts annually on the first Sunday of October.

123456789101112End: Australian Central Daylight Time (ACDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of April.

See upcoming clock changes worldwide.

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time