tzdata rule group

C-Eur

Active or recent rule group · 30 represented zones

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

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.

1977–2026

Rule context

Older C-Eur rules are for convenience in the tables. From 1977 on, C-Eur differs from EU only in that C-Eur uses standard time.

Original rule fields

Structured directly from tzdata’s Rule lines.