tzdata rule group
Perry
Historical rule context · 1 represented zone
A rule group describes recurring clock changes. It is not itself a place or an IANA time-zone identifier.
- First rule
- 1955
- Last rule
- 1963
- Rule entries
- 4
- 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.
Perry County, Indiana, switched from eastern to central time in April 2006. The Indianapolis News, Friday 27 October 1967 states that Perry County returned to CST. It went again to EST on 27 April 1969, as documented by the Indianapolis star of Saturday 26 April.
Where it appears
Zones using Perry
Only historically distinct canonical zones from this atlas are listed.
United States of AmericaOriginal rule fields
Recorded rule entries
Structured directly from tzdata’s Rule lines.
| From | To | Type | In | On | At | Save |
|---|---|---|---|---|---|---|
| 1955 | only | - | May | 1 | 0:00 | 1:00 |
| 1955 | 1960 | - | Sep | lastSun | 2:00 | 0 |
| 1956 | 1963 | - | Apr | lastSun | 2:00 | 1:00 |
| 1961 | 1963 | - | Oct | lastSun | 2:00 | 0 |