OnlineTimeNow

Current time in the America/Glace_Bay time zone

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AST (UTC−4)

America/Glace_Bay is an IANA time zone used in Canada. It is on standard time now, UTC−4 (AST), until Sunday, March 14, 2027.

America/Glace_Bay at a glance

UTC offset nowUTC−4
Standard timeUTC−4 (AST)
Daylight saving timeUTC−3 (ADT)
AbbreviationsAST, ADT
Used inCanada
Next clock changeSunday, March 14, 2027

How America/Glace_Bay keeps time

America/Glace_Bay switches between two offsets: UTC−4 (AST) for standard time and UTC−3 (ADT) for daylight saving time. Below are the last changes and the ones scheduled next.

Recent and upcoming changes in America/Glace_Bay

DateChangeNew offset
Sunday, March 9, 2025Clocks go forward 1 hour: 2:00 AM becomes 3:00 AMUTC−3
Sunday, November 2, 2025Clocks go back 1 hour: 2:00 AM becomes 1:00 AMUTC−4
Sunday, March 8, 2026Clocks go forward 1 hour: 2:00 AM becomes 3:00 AMUTC−3
Sunday, November 1, 2026Clocks go back 1 hour: 2:00 AM becomes 1:00 AMUTC−4
Sunday, March 14, 2027Clocks go forward 1 hour: 2:00 AM becomes 3:00 AMUTC−3
Sunday, November 7, 2027Clocks go back 1 hour: 2:00 AM becomes 1:00 AMUTC−4
Sunday, March 12, 2028Clocks go forward 1 hour: 2:00 AM becomes 3:00 AMUTC−3
Sunday, November 5, 2028Clocks go back 1 hour: 2:00 AM becomes 1:00 AMUTC−4

Countries and cities on America/Glace_Bay

America/Glace_Bay is used in Canada. These are the largest cities in our list that follow it.

America/Glace_Bay compared with other time zones

Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.

CityTime nowDifference nowIn JanuaryIn July
New York (United States)--:--1 h behind1 h behind1 h behind
Los Angeles (United States)--:--4 h behind4 h behind4 h behind
London (United Kingdom)--:--4 h ahead4 h ahead4 h ahead
Paris (France)--:--5 h ahead5 h ahead5 h ahead
Dubai (United Arab Emirates)--:--8 h ahead8 h ahead7 h ahead
Mumbai (India)--:--9 h 30 min ahead9 h 30 min ahead8 h 30 min ahead
Singapore--:--12 h ahead12 h ahead11 h ahead
Tokyo (Japan)--:--13 h ahead13 h ahead12 h ahead
Sydney (Australia)--:--15 h ahead15 h ahead13 h ahead
UTC--:--4 h ahead4 h ahead3 h ahead

Other zones on UTC−4 right now

These IANA zones show the same time as America/Glace_Bay today. Their clock-change rules may differ.

Using America/Glace_Bay in software

Store and send the zone as its IANA name, America/Glace_Bay, not as a fixed offset. A fixed offset such as UTC−4 gives the wrong result after the next clock change.

Show the current time in America/Glace_Bay:

// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/Glace_Bay', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('America/Glace_Bay'))
// PHP
(new DateTime('now', new DateTimeZone('America/Glace_Bay')))->format('c');
# Shell
TZ=America/Glace_Bay date

Tools for time in America/Glace_Bay

Frequently asked questions

What is the UTC offset of America/Glace_Bay?

UTC−4 in standard time and UTC−3 during daylight saving time. Right now it is UTC−4.

When does America/Glace_Bay change clocks next?

The next change is on Sunday, March 14, 2027 at 2:00 AM local time. The change after that is on Sunday, November 7, 2027.

What abbreviation does America/Glace_Bay use?

AST in standard time and ADT during daylight saving time. Abbreviations are not unique, so use the zone name America/Glace_Bay in software.

Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.