AT Time Now

Atlantic TimeUTC-3

Find best meeting timeHalifax is already loaded in the meeting planner.

Next clock change

November 1, 2026Clocks move back by 1h · 2:00 am → 1:00 am local timeADT → AST

Representative IANA time zone: America/Halifax. Other locations or meanings using this abbreviation can change on different dates or follow different clock rules.

Currently AST. AT means Atlantic Time: it maps to AST during standard time and ADT during daylight saving time.

Need the exact abbreviation page? Visit AST or ADT.

Representative IANA (this page): this umbrella label covers many regions, so exact DST change dates and times vary by location. For a full, per-zone list of transition times, use Upcoming DST.

12h|24h

CURRENT TIME

12:42:52am

October 19, 2026

UTC TIME NOW

03:42:52am

Monday, Oct 19

UTC+0

12h|24h

UTC Offset

UTC-3

DST Statusⓘ

Standard Time (mixed)

Observes DST:

Bermuda(Atlantic/Bermuda), Canada(America/Glace_Bay, America/Halifax, America/Moncton)

Does not observe DST:

Anguilla(America/Anguilla), Antigua and Barbuda(America/Antigua), Aruba(America/Aruba), Barbados(America/Barbados), BQ(America/Kralendijk), CW(America/Curacao), Dominica(America/Dominica), Dominican Republic(America/Santo_Domingo), Grenada(America/Grenada), Guadeloupe(America/Guadeloupe), Martinique(America/Martinique), Montserrat(America/Montserrat), Puerto Rico(America/Puerto_Rico), Saint Barthélemy(America/St_Barthelemy), Saint Kitts and Nevis(America/St_Kitts), Saint Lucia(America/St_Lucia), Saint Martin(America/Marigot), Saint Vincent and the Grenadines(America/St_Vincent), Sint Maarten(America/Lower_Princes), Trinidad and Tobago(America/Port_of_Spain), Virgin Islands(America/Tortola), Virgin Islands, U.S.(America/St_Thomas)

IANA Zones