tzdata rule group

Cuba

Active or recent rule group · 1 represented zone

A rule group describes recurring clock changes. It is not itself a place or an IANA time-zone identifier.

First rule: 1928
Last rule: 2026 or later
Rule entries: 39
Source files: northamerica

Original rule fields

Recorded rule entries

Structured directly from tzdata’s Rule lines.

From	To	Type	In	On	At	Save
1928	only	-	Jun	10	0:00	1:00
1928	only	-	Oct	10	0:00	0
1940	1942	-	Jun	Sun>=1	0:00	1:00
1940	1942	-	Sep	Sun>=1	0:00	0
1945	1946	-	Jun	Sun>=1	0:00	1:00
1945	1946	-	Sep	Sun>=1	0:00	0
1965	only	-	Jun	1	0:00	1:00
1965	only	-	Sep	30	0:00	0
1966	only	-	May	29	0:00	1:00
1966	only	-	Oct	2	0:00	0
1967	only	-	Apr	8	0:00	1:00
1967	1968	-	Sep	Sun>=8	0:00	0
1968	only	-	Apr	14	0:00	1:00
1969	1977	-	Apr	lastSun	0:00	1:00
1969	1971	-	Oct	lastSun	0:00	0
1972	1974	-	Oct	8	0:00	0
1975	1977	-	Oct	lastSun	0:00	0
1978	only	-	May	7	0:00	1:00
1978	1990	-	Oct	Sun>=8	0:00	0
1979	1980	-	Mar	Sun>=15	0:00	1:00
1981	1985	-	May	Sun>=5	0:00	1:00
1986	1989	-	Mar	Sun>=14	0:00	1:00
1990	1997	-	Apr	Sun>=1	0:00	1:00
1991	1995	-	Oct	Sun>=8	0:00s	0
1996	only	-	Oct	6	0:00s	0
1997	only	-	Oct	12	0:00s	0
1998	1999	-	Mar	lastSun	0:00s	1:00
1998	2003	-	Oct	lastSun	0:00s	0
2000	2003	-	Apr	Sun>=1	0:00s	1:00
2004	only	-	Mar	lastSun	0:00s	1:00
2006	2010	-	Oct	lastSun	0:00s	0
2007	only	-	Mar	Sun>=8	0:00s	1:00
2008	only	-	Mar	Sun>=15	0:00s	1:00
2009	2010	-	Mar	Sun>=8	0:00s	1:00
2011	only	-	Mar	Sun>=15	0:00s	1:00
2011	only	-	Nov	13	0:00s	0
2012	only	-	Apr	1	0:00s	1:00
2012	max	-	Nov	Sun>=1	0:00s	0
2013	max	-	Mar	Sun>=8	0:00s	1:00