یوتی‌سی ۱:۰۰-

UTC−01:00 is a time zone that is one hour behind Coordinated Universal Time (UTC), the global standard for timekeeping. Some regions use this time zone year-round (shown in yellow on the map), while others switch between UTC−01:00 and a different time zone depending on the season, with usage in December shown in blue and in June shown in orange.

AI-generated from the Wikipedia summary — may contain errors.