| Time in Luxembourg | |
| Time Zone: | Central European Time |
| Initials: | CET |
| Adopted: | 1904–1918 1940 (readopted) |
| Dst Name: | Central European Summer Time |
| Dst Initials: | CEST |
| Dst Start: | Last Sunday in March (02:00 CET) |
| Dst End: | Last Sunday in October (03:00 CEST) |
| Tz: | Europe/Luxembourg |
In Luxembourg, the standard time is Central European Time (CET;).[1] Daylight saving time is observed from the last Sunday in March (02:00 CET) to the last Sunday in October (03:00 CEST).[2]
Luxembourg first introduced CET in 1904, but switched to in 1918. CET was reintroduced in 1940 under German occupation.[3]
In the IANA time zone database, Luxembourg is given one zone in the file zone.tab – Europe/Luxembourg. Data for Luxembourg directly from zone.tab of the IANA time zone database; columns marked with * are the columns from zone.tab itself:[4]