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Time.is

Atlantic Time now

01:42:31

Thursday, 12. March, 2026, week 11

World Wide Web's birthday

Make Atlantic Time time default - Add to favorite locations

Time zone: Atlantic Time (AT)

UTC -3

now 1 hour ahead of New York

From 1 November 2026: UTC -4 / Atlantic Standard Time (AST)
Atlantic Time is normally one hour ahead of the time in New York, but because these time zones don't share the same start and end times for daylight saving time, Atlantic Time can for a short while be two hours ahead of or the same as the time in New York.
The IANA time zone identifiers for Atlantic Time are Atlantic/Bermuda, America/Glace_Bay, America/Goose_Bay, America/Halifax, America/Moncton and America/Thule.

Sunday March 8 2026

Latest change: Summer time started

Switched to UTC -3 / Atlantic Daylight Time (ADT).
The time was set forward one hour from 02:00 to 03:00 local time.

Sunday November 1 2026

Next change: Winter time starts

Switching to UTC -4 / Atlantic Standard Time (AST).
The time will be set back one hour from 02:00 to 01:00 local time.

Time difference
from Atlantic Time

Los Angeles	−4 hours	−4 hours
Chicago	−2 hours	−2 hours
New York	−1 hours	−1 hours
Toronto	−1 hours	−1 hours
São Paulo	0
London	+3 hours
UTC	+3 hours
Lagos	+4 hours
Paris	+4 hours
Zurich	+4 hours
Cairo	+5 hours
Johannesburg	+5 hours
Istanbul	+6 hours
Moscow	+6 hours
Dubai	+7 hours
Mumbai	+8.5 hours
Hong Kong	+11 hours
Shanghai	+11 hours
Singapore	+11 hours
Tokyo	+12 hours
Sydney	+14 hours

Compare other time zones