St Mary, Jersey
St Mary follows Jersey’s local time: Greenwich Mean Time in winter and British Summer Time in summer. The clock therefore changes seasonally, while sunrise and sunset move throughout the year.
Saint Mary, Jersey
Friday, 4 September 2026
UTC+1 · Europe/Jersey
Time and sun data for Saint Mary — the largest city of St Mary
The sun in Saint Mary
Sunrise 06:30 Solar noon 13:09 Sunset 19:48 Daylight 13 h 18 min Night 10 h 42 min Civil twilight 05:57 – 20:21
Jersey · 1 cities
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Current time in St Mary, Jersey
The displayed clock gives the current local time for St Mary, a parish in the north-west of Jersey. Jersey uses the same civil-time pattern as the United Kingdom: GMT, equivalent to UTC+0, during the winter period and BST, equivalent to UTC+1, during the summer period.
This seasonal arrangement matters when comparing St Mary with places that keep one offset throughout the year. A time difference visible in winter may shrink or grow after a clock change. For practical planning, use the live time shown on the page rather than relying on a remembered offset.
Winter time: GMT, or UTC+0. Summer time: BST, or UTC+1. The local clock changes between the two seasonal settings. Jersey time matches the civil time used in London. When the Jersey clock changes, the cows remain admirably unimpressed.
St Mary and nearby places
St Mary is one of Jersey’s twelve parishes. It is a region rather than a city, so a list headed “largest cities” should be understood as a directory of settlements and populated places associated with the parish or its surroundings, not as a claim that the parish contains several formal cities.
The parish is predominantly rural, with its community centred on the village of St Mary. Nearby parts of north-west Jersey include settlements and neighbourhoods belonging to adjoining parishes. Because Jersey is compact, journeys to St Helier and other island centres can be short in distance, although traffic and the road chosen affect the actual travel time.
For calls, appointments and island travel, all Jersey parishes share one time zone. There is no clock adjustment when crossing from St Mary into St Ouen, St Peter or another parish. A locality list is useful for geography and navigation, but it does not imply a different local time.
Sunrise and daylight in St Mary
Sunrise time is not fixed. It changes from day to day as the seasons progress. Days are generally longer around summer and shorter around winter, so an appointment described only as “at sunrise” needs a date before it can be converted into a clock time.
The sunrise value on a time page is normally a calculated time for a stated location and date. Actual first sight of the Sun can differ because hills, buildings, cloud and the observer’s exact position alter the visible horizon. The parish-wide value is therefore a practical reference rather than a promise about what will be visible from every lane or field.
Check that the selected date is correct. Use St Mary’s local time rather than UTC when planning locally. Allow for weather and an obstructed horizon. Recheck the clock around the seasonal change between GMT and BST.
Questions and answers
- What time zone does St Mary use?
- It uses GMT in winter and BST in summer, following Jersey’s island-wide civil time.
- Is St Mary in the same time zone as St Helier?
- Yes. Every parish in Jersey uses the same local clock.
- Why does the sunrise time change?
- Earth’s yearly movement and axial tilt change the length and timing of daylight. The exact visible sunrise also depends on the horizon and weather.