What timezone is Dartmouth in?

Dartmouth uses the IANA timezone America/Halifax. The UTC offset is UTC-4 in winter (standard time) and UTC-3 during daylight saving time (summer).

Does Dartmouth observe daylight saving time?

Yes. Dartmouth observes daylight saving time, shifting from UTC-4 (standard time) to UTC-3 in summer.

What is the current UTC offset for Dartmouth?

Dartmouth is currently at UTC-3. It is currently observing daylight saving time.

What is the time difference between Dartmouth and New York?

Dartmouth is currently 1 hour ahead of New York.

What is the time difference between Dartmouth and London?

Dartmouth is currently 4 hours behind London.

Dartmouth, Canada · UTC-3

18:15:31

Thursday, April 2, 2026

W14 ↑ 07:26 ↓ 20:10 DST

Your time --:--

Dartmouth --:--

Convert time from Dartmouth

in Dartmouth is Convert

MEETING PLANNER hover a column · click to lock

Dartmouth sits directly across Halifax Harbour from Halifax, Nova Scotia’s capital. The two cities are linked by the Macdonald and MacKay bridges and share the same timezone: America/Halifax, UTC-4 in winter (Atlantic Standard Time) and UTC-3 in summer (Atlantic Daylight Time). Nova Scotia observes DST on the standard North American schedule.

Atlantic Time puts Dartmouth an hour ahead of Eastern Time cities like New York and Toronto in winter. For Dartmouth’s shipbuilding and maritime industries, the Atlantic offset is natural. Halifax Harbour is a major container port, and ships arriving from Europe encounter a clock four hours behind UTC. For those arriving from the US East Coast, it’s one hour more.

Harbor light and the morning ferry

The harbor crossing is a daily feature of Dartmouth life. Ferry riders checking their phones for morning messages from Toronto find them arriving an hour earlier relative to their own clock. The harbor itself, open to the North Atlantic, sees dramatic seasonal daylight changes: the summer solstice brings sunrise before 5:30am and sunset after 9pm in Dartmouth, rewarding the ferry commuter with exceptional evening light.

Convert 9am Dartmouth time to London

Sources

Same time as Dartmouth

Halifax Hamilton Moncton Sydney Thule

Compare Dartmouth with

New York City London Tokyo Sydney Adak Alajuela

Questions about time in Dartmouth

What timezone is Dartmouth in?: Dartmouth uses the IANA timezone America/Halifax. The UTC offset is UTC-4 in winter (standard time) and UTC-3 during daylight saving time (summer).
Does Dartmouth observe daylight saving time?: Yes. Dartmouth observes daylight saving time, shifting from UTC-4 (standard time) to UTC-3 in summer.
What is the current UTC offset for Dartmouth?: Dartmouth is currently at UTC-3. It is currently observing daylight saving time.
What is the time difference between Dartmouth and New York?: Dartmouth is currently 1 hour ahead of New York.
What is the time difference between Dartmouth and London?: Dartmouth is currently 4 hours behind London.
What is the time difference between Dartmouth and Los Angeles?: Dartmouth is currently 4 hours ahead of Los Angeles.
What is the time difference between Dartmouth and Tokyo?: Dartmouth is currently 12 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when Dartmouth transitions to/from DST.
What is the IANA timezone name for Dartmouth?: The IANA timezone database identifier for Dartmouth is America/Halifax. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/Halifax' })`), Python (`pytz.timezone('America/Halifax')`), or any IANA-compatible library.

Dartmouth, Canada · UTC-3 ☆