Other parts of Saint Barthelemy

Current time in Saint Barthelemy, Saint Barthelemy

The island uses Atlantic Standard Time, abbreviated AST, with an offset of UTC-4. Saint Barthelemy does not make a seasonal daylight-saving clock change, so its offset from UTC stays constant. Subtract four hours from UTC to calculate local time. Add four hours to Saint Barthelemy time to recover UTC. The date needs attention: a UTC reading shortly after midnight may still correspond to the previous evening on the island.

Comparisons with North American or European cities can change during the year because those places may alter their clocks. Saint Barthelemy remains on UTC-4, so a familiar time difference should always be verified for the required date.

The island declines to change its clocks; visitors are free to lose track of the hour by more traditional means.

Gustavia and the island’s localities

Gustavia is the capital and the main reference location for local time. Saint-Jean and Lorient are other well-known settlements or neighbourhoods. Colombier, Corossol, and Grand Cul-de-Sac also follow the same island-wide clock.

Use AST and UTC-4 for every address on Saint Barthelemy. Do not change time settings when moving between Gustavia and another locality. Check the other location’s current offset before arranging an overseas call.

Record both date and time for flights, ferries, and remote appointments. The island’s compact geography means there is no practical case for separate civil zones. Differences between local schedules reflect operating hours or journey times, not a clock boundary.

Sunrise and sunset on the island

Sunrise and sunset move through the year even though the official UTC offset does not. A result for Gustavia provides a useful island reference, but the precise calculation depends on coordinates and date.

Short distances between localities keep astronomical differences small, yet terrain can have a visible effect. A hillside, headland, or building may hide the Sun after its calculated rise above a standard horizon. An open coastal viewpoint may offer a clearer view of the event.

Dawn starts before sunrise, and dusk continues after sunset. For boating, photography, walking, or an early departure, choose whether the plan depends on first light, the sunrise itself, sunset, or the end of twilight.

A daily solar listing should always be read with its location and calendar date. Reusing a figure from another month can introduce an avoidable error, while assuming the time zone determines sunrise confuses civil time with the movement of the Sun.