Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Kosrae 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 KOST:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Coordinates eco-tourism, citrus agriculture, and marine sanctuary operations.
Local Hours: 08:00 - 16:00 KOST
UTC Window: 21:00 - 05:00 UTC
Major Cities in KOST
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1986
Kosrae established UTC+11 alongside Pohnpei upon the constitutional organization of the Federated States of Micronesia.
Kosrae is known as the 'Island of the Sleeping Lady' due to the profile of its mountain ridges resembling a reclining woman.
Frequently Asked Questions about KOST
What is Kosrae Time?
Kosrae Time (KOST) is UTC+11, observed in the easternmost state of Micronesia.
Does Kosrae observe daylight saving?
No. Kosrae maintains UTC+11 all year.
How many time zones are in Micronesia?
Micronesia has two time zones: Chuuk and Yap (UTC+10), and Pohnpei and Kosrae (UTC+11).