All cities

Gustavia

UTC−4

Saint Barthélemy · AST

Rainy season
20:45:37Live

Mon, 14 Sept 2026

00:00↑ 05:36↓ 18:4824:00
Sunrise
05:36
Sunset
18:48
Daylight
13.2hrs
Population
3K
Season
Rainy season
Next full moon
14 Jul
Buck Moon

Timezone Guide

Gustavia, Saint Barthélemy runs on UTC−4. This time zone stays fixed year-round at UTC−4 — daylight saving time is not observed. Gustavia and New York currently share the same clock. Standard 9-to-6 working hours overlap for about 9 hours a day with New York. A good time to connect: 09:00–18:00 in Gustavia lines up with 09:00–18:00 in New York. There is a 5-hour difference between Gustavia and London. Standard 9-to-6 working hours overlap for about 4 hours a day with London. A good time to connect: 09:00–13:00 in Gustavia lines up with 14:00–18:00 in London. There is a 13-hour difference between Gustavia and Tokyo. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Toronto, Caracas, Havana. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Gustavia.

Practical Info

Gustavia (Saint Barthélemy) is home to roughly 3K people. Today brings about 13.2 hours of daylight: sunrise at 05:36, sunset at 18:48. This time zone stays fixed year-round at UTC−4 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 18° north of the equator. Traffic drives on the right.

Flag

Saint Barthélemy

Saint Barthélemy

Capital

Gustavia 👑

Continent

North America

Time Zone

AST · America/St_Barthelemy

Coordinates

17.90°N, 62.85°W

Currency

EUR (€)

Calling Code

+590

Driving Side

Right

Hemisphere

Northern

Language

French

Measurement System

Metric

Did You Know?

A French Island With a Swedish Name

Saint Barthélemy was Swedish from 1784 to 1878, which is why its capital is named for King Gustav III. France sold it to Sweden for trading rights in Gothenburg and bought it back 94 years later.

The clock: Gustavia keeps UTC−4. Its airport runway is about 650 metres and approached over a hill, which pilots need a specific certification to fly.

Annual Daylight

J11.2hF11.6hM12hA12.5hM13hJ13.2hJ13.1hA12.8hS12.3hO11.8hN11.3hD11.1h

Working Hours

2h overlap
GustaviaUTC−4
06121824
Your locationUTC+3
06121824