tzdata rule group

Regina

Historical rule context · 2 represented zones

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

First rule
1918
Last rule
1959
Rule entries
17
Source files
northamerica

Notes from the time database

Context for this rule

These source notes are preserved from tzdata. They help explain a rule’s period, without adding claims beyond the source.

Original rule fields

Recorded rule entries

Structured directly from tzdata’s Rule lines.

FromToTypeInOnAtSave
1918only-Apr142:001:00
1918only-Oct272:000
19301934-MaySun>=10:001:00
19301934-OctSun>=10:000
19371941-AprSun>=80:001:00
1937only-OctSun>=80:000
1938only-OctSun>=10:000
19391941-OctSun>=80:000
1942only-Feb92:001:00
1945only-Aug1423:00u1:00
1945only-SeplastSun2:000
1946only-AprSun>=82:001:00
1946only-OctSun>=82:000
19471957-AprlastSun2:001:00
19471957-SeplastSun2:000
1959only-AprlastSun2:001:00
1959only-OctlastSun2:000