Atlantic Time now
Atlantic Time is currently on Atlantic Standard Time (AST, UTC−04:00). It uses AST (UTC−04:00) in standard time and ADT (UTC−03:00) during daylight saving.
Atlantic Time zone at a glance
- Time zone
- Atlantic Standard Time / Atlantic Daylight Time
- UTC offset
- UTC−04:00 now (UTC−04:00 standard, UTC−03:00 daylight)
- IANA identifier
- America/Halifax
- Abbreviation
- AST / ADT
- Daylight saving
- Observed, not in effect now
- Next clock change
- Mar 14, 2027 at 2:00 AM (forward 1 hour)
Daylight saving time in Atlantic Time
Atlantic Time observes daylight saving time. Its next change is on Mar 14, 2027 at 2:00 AM, when clocks go forward 1 hour (UTC−04:00 to UTC−03:00).
Frequently asked questions
What time zone is Atlantic Time in?
Atlantic Time is on Atlantic Standard Time in standard time and Atlantic Daylight Time during daylight saving. Its UTC offset is UTC−04:00 right now (UTC−04:00 in standard time, UTC−03:00 in daylight saving time). The IANA time zone identifier is America/Halifax.
What is the time difference between Atlantic Time and other cities?
Right now Atlantic Time is 4 hours behind London, 1 hour ahead of New York, 12 hours behind Singapore, 4 hours behind UTC. These gaps change when daylight saving starts or ends in either place.
Does Atlantic Time observe daylight saving time?
Atlantic Time observes daylight saving time. Its next change is on Mar 14, 2027 at 2:00 AM, when clocks go forward 1 hour (UTC−04:00 to UTC−03:00).
What are 9 AM to 5 PM business hours in Atlantic Time in other time zones?
A 9:00 AM to 5:00 PM working day in Atlantic Time is 1:00 PM to 9:00 PM in London and 8:00 AM to 4:00 PM in New York, at the current offsets.
Which other places use Atlantic Time time?
Cities on the same time zone include Halifax.