Dumont-d'Urville Time (DDUT)

Dumont-d'Urville Time (DDUT) operates at UTC+10 year-round and is the standard time observed at the French Dumont d'Urville Station in Antarctica. DDUT does not observe daylight saving time and is sometimes simply referred to as "Dumont d'Urville Station Time." This time zone supports the daily activities and research operations of the station's personnel.

Importance and Global Use of DDUT

Dumont-d'Urville Time (DDUT) is vital for managing the daily schedule, scientific experiments, and logistical support at Dumont d'Urville Station, which focuses on climate monitoring, marine biology, and glaciology. Having a fixed time zone helps coordinate staff shifts, equipment use, and communications in the extreme Antarctic conditions, where daylight hours vary drastically with the seasons.

Globally, DDUT has little civilian or commercial use, but it is crucial in supporting international research collaboration and environmental observation in Antarctica. The consistent use of DDUT ensures synchronization with global research efforts and maritime logistics, contributing valuable data to worldwide climate science and environmental studies.

Where and When DDUT is used worldwide

Other Time Zones in UTC +10

Other time zones share the same offset as Dumont-d'Urville Time (DDUT), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.

• Australian Eastern Standard Time – AEST
• Chuuk Time – CHUT
• Chamorro Standard Time – ChST
• Papua New Guinea Time – PGT
• Vladivostok Time – VLAT