Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Dumont d'Urville 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 DDUT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
Coordinates emperor penguin research, polar atmospheric science, and polar logistics between Brest, Hobart, and Terre Adélie.
Local Hours: 08:00 - 17:00 DDUT
UTC Window: 22:00 - 07:00 UTC
Major Cities in DDUT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1956
Founded in 1956 during preparations for the International Geophysical Year, standardizing on UTC+10 to align operational days with maritime re-supply ships sailing from Hobart, Tasmania.
The station was named after French explorer Jules Dumont d'Urville, who discovered Adélie Land in 1840, naming it after his wife Adèle.
Frequently Asked Questions about DDUT
What is Dumont d'Urville Time?
Dumont d'Urville Time (DDUT) is UTC+10, observed at the French scientific base in Adélie Land, Antarctica.
What is the time difference between Dumont d'Urville and Paris?
Dumont d'Urville is 9 hours ahead of Paris in winter (CET) and 8 hours ahead in summer (CEST).
Does Dumont d'Urville observe daylight saving?
No. The station stays on UTC+10 throughout the entire year.