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New Brunswick, Canada

New Brunswick uses Atlantic Time, alternating between AST at UTC−4 and ADT at UTC−3. Moncton, Saint John, and Fredericton share one provincial clock, while sunrise varies from the Bay of Fundy coast to inland communities.

Moncton, Canada

Friday, 4 September 2026

UTC−3 · America/Moncton

Time and sun data for Moncton — the largest city of New Brunswick

The sun in Moncton

Sunrise 6:45 AM Solar noon 1:20 PM Sunset 7:55 PM Daylight 13 h 10 min Night 10 h 50 min Civil twilight 6:14 AM – 8:25 PM

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Current time in New Brunswick, Canada

The province follows Atlantic Standard Time during the standard-time part of the year and Atlantic Daylight Time during its daylight-saving period. Its cities and rural communities observe the same civil clock, so no conversion is required for travel within New Brunswick.

For a date-sensitive event, “Atlantic Time” is clearer than casually using AST for the entire year. A calendar should rely on the America/Moncton zone or another proper New Brunswick setting. That preserves the appointment’s intended local hour when seasonal rules are applied.

New Brunswick’s tides are famous for changing; at least the whole province changes its clocks together.

Moncton, Saint John, and Fredericton

Moncton is the province’s largest urban centre and a common digital reference for New Brunswick time. Saint John is a major Bay of Fundy city, while Fredericton is the provincial capital. Dieppe, Miramichi, Edmundston, and Bathurst use the same Atlantic Time arrangement.

Select Moncton for a widely supported provincial time-zone entry. Use Saint John when checking coastal daylight for that city. Choose Fredericton for events in the capital. Use Edmundston’s own coordinates for north-western solar information.

Do not infer different clocks from different sunrise values. New Brunswick’s position beside Quebec, Nova Scotia, Prince Edward Island, and the United States makes the destination important in travel planning. Some nearby places share Atlantic Time, while others do not. Check the named endpoint instead of calculating from geography alone.

Coastal and inland sunrise

Longitude, latitude, season, and the local horizon all shape sunrise information. Saint John and Fredericton keep identical official time, but the sun need not cross their respective horizons at the same minute. A result for Moncton likewise should not stand in for every corner of the province.

Coastal weather can hide a calculated sunrise or sunset, and terrain or buildings can change the first visible direct light. Published tables usually describe an astronomical threshold rather than the moment sunlight reaches a particular street, window, or beach.

Select the exact city or nearest available community. Choose the correct date. Confirm that the result is expressed in local Atlantic Time. Distinguish sunrise from civil dawn and sunset from civil dusk.

The clock transition can cause a noticeable step in the displayed solar hour, while the underlying daylight changes gradually. Both factors belong in any careful plan for an early departure or evening activity.

Questions and answers

Is New Brunswick on Atlantic Time?
Yes. It uses Atlantic Standard Time and Atlantic Daylight Time according to the season.
Do Moncton and Fredericton show the same time?
Yes. They share one official clock, although their sunrise times can differ.
Which software zone represents the province?
America/Moncton is a suitable date-aware choice for New Brunswick.
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