Réunion · RET
Tue, 15 Sept 2026
Timezone Guide
Saint-Denis, Réunion runs on UTC+4. This time zone stays fixed year-round at UTC+4 — daylight saving time is not observed. There is a 8-hour difference between Saint-Denis and New York. Standard 9-to-6 working hours overlap for about 1 hours a day with New York. A good time to connect: 17:00–18:00 in Saint-Denis lines up with 09:00–10:00 in New York. There is a 3-hour difference between Saint-Denis and London. Standard 9-to-6 working hours overlap for about 6 hours a day with London. A good time to connect: 12:00–18:00 in Saint-Denis lines up with 09:00–15:00 in London. There is a 5-hour difference between Saint-Denis and Tokyo. Standard 9-to-6 working hours overlap for about 4 hours a day with Tokyo. A good time to connect: 09:00–13:00 in Saint-Denis lines up with 14:00–18:00 in Tokyo. This timezone is also shared with cities such as Baku, Dubai, Abu Dhabi. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Saint-Denis.
Practical Info
Saint-Denis (Réunion) is home to roughly 153K people. Today brings about 10.9 hours of daylight: sunrise at 07:00, sunset at 17:54. This time zone stays fixed year-round at UTC+4 — daylight saving time is not observed. It sits in the Southern Hemisphere, about 21° south of the equator. Traffic drives on the right.
Capital
Saint-Denis 👑
Continent
Africa
Time Zone
RET · Indian/Reunion
Coordinates
20.88°S, 55.45°E
Currency
EUR (€)
Calling Code
+262
Driving Side
Right
Hemisphere
Southern
Language
French
Measurement System
Metric
Did You Know?
Piton de la Fournaise on Réunion has erupted more than 180 times since the 17th century, several times a decade in recent years, which makes it among the most consistently active volcanoes anywhere. Eruptions are largely effusive and watched from the roadside.
The clock: Saint-Denis keeps UTC+4 — a French département four hours ahead of Paris, with the same currency, laws and school timetable.
Annual Daylight
Working Hours
8h overlap