Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Eastern Indonesia Time:
Daylight Saving Time (DST) Transitions
⬆️ Spring Forward (Clocks Advance)
None (Equatorial latitude)
⬇️ Fall Back (Clocks Return)
None
Observing Jurisdictions & Subdivisions
1 Sovereign NationsSovereign nations, administrative subdivisions, and regional territories officially operating under WIT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Covers eastern archipelago mineral, timber, and marine trade desks connecting western New Guinea with East Asian shipping networks.
Local Hours: 09:00 - 16:30 WIT
UTC Window: 00:00 - 07:30 UTC
Major Cities in WIT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1988
Known locally as Waktu Indonesia Timur (WIT), this zone came into force on January 1, 1988, standardizing the Maluku Islands and Western New Guinea on UTC+9.
WIT operates on the exact same UTC offset as Tokyo and Seoul (UTC+9), despite being part of Indonesia.
Frequently Asked Questions about WIT
What does WIT stand for?
WIT stands for Waktu Indonesia Timur, or Eastern Indonesia Time, which is UTC+9.
What regions observe Eastern Indonesia Time?
The Maluku islands and all provinces across Western New Guinea (Papua) observe WIT.
Does WIT observe daylight saving time?
No. Eastern Indonesia maintains UTC+9 year-round.