Central European Time
| Light Blue | Western European Time / Greenwich Mean Time (UTC) |
| Blue | Western European Time / Greenwich Mean Time (UTC) |
| Western European Summer Time / British Summer Time / Irish Standard Time (UTC+1) | |
| Red | Central European Time (UTC+1) |
| Central European Summer Time (UTC+2) | |
| Yellow | Eastern European Time / Kaliningrad Time (UTC+2) |
| Ochre | Eastern European Time (UTC+2) |
| Eastern European Summer Time (UTC+3) | |
| Green | Moscow Time / Turkey Time (UTC+3) |
| Turquoise | Armenia Time / Azerbaijan Time / Georgia Time / Samara Time (UTC+4) |
▉▉▉ Dark colours: Summer time observed
Central European Time is a time zone. It is one hour ahead of Coordinated Universal Time (what used to be called Greenwich Mean Time). Most countries in the central part of Europe and some countries in Africa follow it.
In Europe, the countries of Ireland, Great Britain, Iceland and Portugal use Western European Time. All the other countries, up to Norway, Poland, Slovakia, Hungary, Bosnia and Herzegovina, Serbia and North Macedonia use Central European Time.
Algeria and Tunisia in Africa use CET but do not observe daylight saving time.
