Clocks in Czechia Change to Summer Daylight Saving Time This Sunday

On the night of Saturday, March 29, to Sunday, March 30, 2025, the Czech Republic will switch to daylight saving time once again.

At 2:00 a.m. Central European Time (CET), clocks will move forward by one hour to 3:00 a.m. Central European Summer Time (CEST). This shift will impact some night transport services in Prague.

Many people mistakenly refer to CET as winter time, but the seasonal time change was originally introduced to extend daylight hours and reduce reliance on artificial lighting, thus saving energy.

However, the idea is based on assumptions from over a century ago. Modern energy experts argue that shifting the clock has little to no impact on electricity consumption.

How Will Prague’s Public Transport Be Affected?

Most night routes will operate as usual, but some services will follow modified timetables:

• No major changes – Night trams and most night buses will run as scheduled.
• Will continue after the time change – Bus lines 956, 957, 958, 959, and 960, along with night bus 397, will complete their routes after 3:00 a.m. CEST.
• Special timetables – Bus lines 903, 951, 952, and 954 will follow adjusted schedules.

Passengers can find more details via the Prague Integrated Transport (PID) customer hotline: 234 704 560.

A Century-Old Tradition

The practice of changing clocks in spring and autumn dates back more than a century. The concept of daylight saving time was first proposed in 1907 by British builder William Willett.

It took nine years before the idea was implemented, and in 1916, standard time was officially adjusted to summer time for the first time.

The first countries to adopt daylight saving time were Germany, Austria-Hungary (which included Czechoslovakia), and Sweden. Russia followed suit a year later, while the United States introduced it in 1918.

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