Where the America/Halifax time zone is used
Countries: 🇨🇦 Canada.
Area covered: Atlantic - NS (most areas), PE.
Also known in software as: Canada/Atlantic.
Largest cities on America/Halifax
HalifaxNova Scotia
DartmouthNova Scotia
Lower SackvilleNova Scotia
CharlottetownPrince Edward Island
BedfordNova Scotia
New GlasgowNova Scotia
SummersidePrince Edward Island
TruroNova Scotia
KentvilleNova Scotia
Cap-aux-MeulesQuebec
Eastern PassageNova Scotia
Fall RiverNova Scotia
America/Halifax time zone
Atlantic Time
Atlantic Daylight Time (ADT)
IANA: America/Halifax · UTC−3
Daylight saving time in America/Halifax
In effect now
Next change: Sun 1 Nov, clocks go back 1 hour (02:00 → 01:00)
Sunrise and sunset in America/Halifax today
Sunrise 07:10 · Sunset 18:57
Daylight 11h 47m · Solar noon 13:03
Time in America/Halifax vs major world cities
| City | Local time | Difference from America/Halifax |
|---|
| New York | Thu | 1 hour behind |
| Los Angeles | Thu | 4 hours behind |
| London | Thu | 4 hours ahead |
| Paris | Thu | 5 hours ahead |
| Dubai | Thu | 7 hours ahead |
| Mumbai | Thu | 8.5 hours ahead |
| Singapore | Fri | 11 hours ahead |
| Tokyo | Fri | 12 hours ahead |
| Sydney | Fri | 13 hours ahead |
| Johannesburg | Thu | 5 hours ahead |
| São Paulo | Thu | same time |
| Chicago | Thu | 2 hours behind |
What time zone is America/Halifax in?
Clocks in America/Halifax run on Atlantic Time (ADT, UTC−3); software knows the zone as America/Halifax.
Does America/Halifax observe daylight saving time?
Yes. America/Halifax is on daylight saving time now. The next changes:
- Sunday 1 November 2026: clocks go back at 02:00 to 01:00 (ADT → AST)
- Sunday 14 March 2027: clocks go forward at 02:00 to 03:00 (AST → ADT)
- Sunday 7 November 2027: clocks go back at 02:00 to 01:00 (ADT → AST)
America/Halifax in software and databases
Older software may still use Canada/Atlantic; these are aliases of America/Halifax and give identical times.
Standard offset UTC−4, daylight saving offset UTC−3 (as of 2026).
October 2026 calendar for America/Halifax
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Frequently asked questions about America/Halifax
What time zone is America/Halifax in?
Atlantic Time (ADT), UTC−3; IANA zone America/Halifax.
When do the clocks change in America/Halifax?
Next on Sunday 1 November 2026, when clocks go back from 02:00 to 01:00.