Time now in AST · Atlantic Time
Sunday, 27 September 2026·Week 39
About time in Atlantic Time
Atlantic Time (AST) is used in Atlantic Canada. Timelive follows the IANA zone America/Halifax, which is currently on ADT, UTC−03:00. The zone switches between AST in winter and ADT in summer, so if you searched for AST you most likely want the time shown above.
Daylight saving time is observed. On Sunday, 1 November 2026 at 02:00 local time, clocks go back to 01:00 (UTC−04:00). Today the sun rises at 7:07 AM and sets at 7:03 PM (11 h 56 min of daylight).
- Time zone
- America/Halifax
- Abbreviation
- ADT — Atlantic Daylight Time
- UTC offset
- UTC−03:00
- Daylight saving
- Next change Sun, 1 Nov 2026
- Week / day
- Week 39, day 270
- Coordinates
- 44.64° N, 63.58° W
- Country
- Canada · Nova Scotia
Time difference from Atlantic Time
| City | Local time | Difference |
|---|---|---|
| New York | 1 h behind | |
| London | 4 h ahead | |
| Paris | 5 h ahead | |
| Dubai | 7 h ahead | |
| New Delhi | 8 h 30 min ahead | |
| Singapore | 11 h ahead | |
| Tokyo | 12 h ahead | |
| Sydney | 13 h ahead | |
| Los Angeles | 4 h behind | |
| Beijing | 11 h ahead |
Frequently asked
What time is it in Atlantic Time (AST) right now?
The current time in Atlantic Time (AST) is 12:07 (ADT, UTC−03:00) on Sunday, 27 September 2026. Timelive shows the exact time, synchronised to within a few hundredths of a second.
What time zone is Atlantic Time (AST) in?
Atlantic Time (AST) uses the IANA time zone America/Halifax. It is currently Atlantic Daylight Time (ADT), UTC−03:00.
Does Atlantic Time (AST) observe daylight saving time?
Yes. The next change is on Sunday, 1 November 2026, when clocks go back 1 h to UTC−04:00.
What is the time difference between Atlantic Time (AST) and New York?
Atlantic Time (AST) is 1 h ahead of New York right now. When it is 12:00 in New York, it is 13:00 in Atlantic Time (AST).
What time is sunrise and sunset in Halifax today?
Today the sun rises at 07:07 and sets at 19:03 local time, giving 11 h 56 min of daylight.