Time Zone & Clock Changes 1925-1949 in Halifax, Nova Scotia, Canada

9:40:57 pm ADT

Saturday, July 12, 2025

Current:	ADT — Atlantic Daylight Time
Next Change:	AST — Atlantic Standard Time
Current Offset:	UTC/GMT -3 hours
Difference:	1 hour ahead of Columbus

1930 Time Zones - Halifax

AST
UTC-4h

ADT
UTC-3h

AST
UTC-4h

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The graph above illustrates clock changes in Halifax during 1930.

Time Changes in Halifax Over the Years

Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.

Time zone changes for:

Year	Date & Time	Abbreviation	Time Change	Offset After
1925	Sun, May 3 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 28 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1926	Sun, May 16 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 13 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1927	Sun, May 1 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 26 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1928	Sun, May 13 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 9 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1929	Sun, May 12 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Tue, Sep 3 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1930	Sun, May 11 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 15 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1931	Sun, May 10 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 28 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1932	Sun, May 1 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 26 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1933	Sun, Apr 30 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Oct 2 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1934	Sun, May 20 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 16 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1935	Sun, Jun 2 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 30 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1936	Mon, Jun 1 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 14 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1937	Sun, May 2 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 27 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1938	Sun, May 1 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 26 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1939	Sun, May 28 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 25 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1940	Sun, May 5 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 30 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1941	Sun, May 4 at 12:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Mon, Sep 29 at 12:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1942	Mon, Feb 9 at 2:00 am	AST → AWT	+1 hour (DST start)	UTC-3h
1943 — 1944	No changes, UTC -3 hours all of the period
1945	Tue, Aug 14 at 8:00 pm	AWT → APT	No offset (DST increasing)	UTC-3h
	Sun, Sep 30 at 2:00 am	APT → AST	-1 hour (DST end)	UTC-4h
1946	Sun, Apr 28 at 2:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 29 at 2:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1947	Sun, Apr 27 at 2:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 28 at 2:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1948	Sun, Apr 25 at 2:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 26 at 2:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
1949	Sun, Apr 24 at 2:00 am	AST → ADT	+1 hour (DST start)	UTC-3h
	Sun, Sep 25 at 2:00 am	ADT → AST	-1 hour (DST end)	UTC-4h
* All times are local Halifax time.

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Saturday, July 12, 2025