British Indian Ocean Territory · UTC+6
Tue, 15 Sept 2026
Timezone Guide
Diego Garcia, British Indian Ocean Territory runs on UTC+6. This time zone stays fixed year-round at UTC+6 — daylight saving time is not observed. There is a 10-hour difference between Diego Garcia and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 5-hour difference between Diego Garcia and London. Standard 9-to-6 working hours overlap for about 4 hours a day with London. A good time to connect: 14:00–18:00 in Diego Garcia lines up with 09:00–13:00 in London. There is a 3-hour difference between Diego Garcia and Tokyo. Standard 9-to-6 working hours overlap for about 6 hours a day with Tokyo. A good time to connect: 09:00–15:00 in Diego Garcia lines up with 12:00–18:00 in Tokyo. This timezone is also shared with cities such as Dhaka, Bishkek, Chittagong. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Diego Garcia.
Practical Info
Diego Garcia (British Indian Ocean Territory) is home to roughly 3K people. Today brings about 11.7 hours of daylight: sunrise at 07:24, sunset at 19:06. This time zone stays fixed year-round at UTC+6 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 7° south of the equator. Traffic drives on the left.
Capital
Diego Garcia 👑
Continent
Africa
Time Zone
UTC+6 · Indian/Chagos
Coordinates
7.31°S, 72.41°E
Currency
USD ($)
Calling Code
+246
Driving Side
Left
Hemisphere
Southern
Language
English
Measurement System
Metric
Did You Know?
The Chagossians were expelled between 1968 and 1973 to make way for a military base. The International Court of Justice advised in 2019 that the UK's administration was unlawful, and in 2024 the UK agreed to transfer sovereignty to Mauritius.
The clock: Diego Garcia keeps UTC+6. The surrounding marine protected area is one of the largest in the world.
Annual Daylight
Working Hours
6h overlap