Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Fernando de Noronha 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 FNT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Facilitates scientific marine biology research, luxury eco-tourism reservations, and South Atlantic naval telemetry.
Local Hours: 08:00 - 16:30 FNT
UTC Window: 10:00 - 18:30 UTC
Major Cities in FNT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1913
Established under Brazilian Federal Decree No. 2,784 in 1913, establishing the Atlantic island territories of Brazil as the country's first time zone (UTC-2).
Fernando de Noronha is a UNESCO World Heritage site and the only populated Brazilian territory in the UTC-2 time zone, placing it one hour ahead of Rio de Janeiro.
Frequently Asked Questions about FNT
What is Fernando de Noronha Time?
Fernando de Noronha Time (FNT) is UTC-2, observed on Brazil's Atlantic islands.
What is the time difference between São Paulo and Fernando de Noronha?
Fernando de Noronha (FNT, UTC-2) is 1 hour ahead of São Paulo, Brasília, and Rio de Janeiro (BRT, UTC-3).
Does Fernando de Noronha use daylight saving?
No. Fernando de Noronha maintains UTC-2 throughout the year.