tzdata rule group
W-Eur
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
- 1977
- Last rule
- 2026 or later
- Rule entries
- 6
- Source files
- europe
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.
W-Eur differs from EU only in that W-Eur uses standard time.
Where it appears
Zones using W-Eur
Only historically distinct canonical zones from this atlas are listed.
PolandOriginal rule fields
Recorded rule entries
Structured directly from tzdata’s Rule lines.
| From | To | Type | In | On | At | Save |
|---|---|---|---|---|---|---|
| 1977 | 1980 | - | Apr | Sun>=1 | 1:00s | 1:00 |
| 1977 | only | - | Sep | lastSun | 1:00s | 0 |
| 1978 | only | - | Oct | 1 | 1:00s | 0 |
| 1979 | 1995 | - | Sep | lastSun | 1:00s | 0 |
| 1981 | max | - | Mar | lastSun | 1:00s | 1:00 |
| 1996 | max | - | Oct | lastSun | 1:00s | 0 |