The "normal" time in Luxembourg is winter time, which will be valid until 2am on Sunday. In other words, at 2am, it will magically be 3am.
The advantages and disadvantages of changing the clocks were hotly debated in recent years. On 26 March last year, the European Parliament has voted to put a stop on daylight saving time. In 2021, individual member states will be able to decide whether they will remain on winter time or summer time permanently.
Stephen Lowe opinion: Getting out of the right side of the bed
