Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Solomon Islands 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 SBT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Oversees timber, tuna exports, palm oil, and gold mining clearing desks in Honiara.
Local Hours: 08:30 - 16:30 SBT
UTC Window: 21:30 - 05:30 UTC
Major Cities in SBT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1978
Established upon independence in 1978, standardizing the archipelago across nine provinces on UTC+11.
Guadalcanal, famous as the site of decisive World War II Pacific battles, is located entirely within the SBT zone.
Frequently Asked Questions about SBT
What is Solomon Islands Time?
Solomon Islands Time (SBT) is UTC+11, observed throughout the Solomon Islands.
Does the Solomon Islands observe daylight saving?
No. The Solomon Islands operates on UTC+11 all year.
What is the time difference between Solomon Islands and Sydney?
Solomon Islands is 1 hour ahead of Sydney in winter (AEST, UTC+10) and shares the same time in summer (AEDT, UTC+11).