Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Chuuk Time:
Daylight Saving Time (DST) Transitions
⬆️ Spring Forward (Clocks Advance)
None
⬇️ Fall Back (Clocks Return)
None
Observing Jurisdictions & Subdivisions
1 Sovereign NationsSovereign nations, administrative subdivisions, and regional territories officially operating under CHUT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Manages commercial scuba diving, historic shipwreck expeditions, and inter-island passenger ferries.
Local Hours: 08:00 - 16:00 CHUT
UTC Window: 22:00 - 06:00 UTC
Major Cities in CHUT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1986
Chuuk and Yap standardized on UTC+10, sharing the same offset as Guam, Papua New Guinea, and eastern Australia.
Chuuk Lagoon contains over 50 sunken World War II Japanese naval ships and hundreds of aircraft, making it the wreck-diving capital of the Pacific.
Frequently Asked Questions about CHUT
What is Chuuk Time?
Chuuk Time (CHUT) is UTC+10, observed in Chuuk and Yap states of Micronesia.
What is the time difference between Chuuk and Guam?
There is zero time difference. Both Chuuk (CHUT) and Guam (ChST) operate on UTC+10.
Does Chuuk observe daylight saving?
No. Chuuk stays on UTC+10 year-round.