What time is it in Prague? Time zone, summer time and conversions

The clocks in Prague go back on Sunday 25 October 2026, a week before the United States follows, and that mismatch is where most missed calls come from. Prague's own arrangements are simple: plus one hour on UTC in winter, plus two in summer.

What time zone is Prague in?

Prague, like the whole of Czechia, is on Central European Time. In winter that is CET, one hour ahead of Coordinated Universal Time (UTC+1). In summer the country moves to Central European Summer Time, CEST, which is UTC+2.

Czechia has a single time zone, so there is no difference between Prague, Brno and Ostrava. It shares the zone with most of western and central continental Europe, among them Germany, Austria, Poland, Slovakia, France and Italy. Travel from Prague to Vienna, Berlin or Warsaw and your watch stays the same.

When do the clocks change?

The rule is common to all EU countries. Clocks go forward by one hour on the last Sunday of March, at 02:00 local time, which becomes 03:00. They go back on the last Sunday of October, at 03:00 local time, which becomes 02:00. The change takes place at the same moment across the EU, at 01:00 UTC.

The October day is 25 hours long and the March day 23. Phones and computers update themselves. Wall clocks, car clocks and ovens do not, and those cause the late arrivals.

Will the changes end?

The European Commission proposed ending seasonal clock changes in 2018, and the European Parliament voted in favour in 2019. The proposal needs member states to agree which time they would keep, and it has stalled in the Council. Until the law changes, the twice-yearly shift stays. Check the European Commission before relying on any claim that it has ended (as of 2026).

Time differences with other places

Prague's gap with other cities depends on the season, because not every country changes its clocks on the same dates. The European Union and the United Kingdom change on the same weekend, so the gap with London stays at one hour all year. The United States changes earlier in spring and later in autumn than Europe, which creates short mismatches.

In 2026 the mismatch weeks are 8 to 28 March, when the United States has moved but Europe has not, and 25 to 31 October, when Europe has moved back but the United States has not. In those weeks the gap with New York is five hours, and the same one-hour squeeze applies to the other US cities.

A worked conversion (hypothetical)

Suppose you agree a hypothetical meeting for 15:00 Prague time on 1 July. In July Prague is on CEST (UTC+2), so 15:00 in Prague is 13:00 UTC. London is on British Summer Time (UTC+1), so London shows 14:00. New York is on Eastern Daylight Time (UTC-4), so New York shows 09:00. Now suppose the same 15:00 meeting on 15 January. Prague is on CET (UTC+1), so 15:00 is 14:00 UTC, London shows 14:00 (UTC), and New York on Eastern Standard Time (UTC-5) shows 09:00. London and New York show the same times in both months. Only Prague's offset from UTC changes, and the gap with London stays at one hour.

The safe habit is to write meeting times with the city and the zone: "15:00 Prague time (CEST)".

Telling the time the Czech way

Czechs use the 24-hour clock in writing and on timetables, so a train at 17:45 is simply 17:45. In speech they use a system that catches English speakers out, counting towards the next hour. Půl třetí literally means "half of the third (hour)" and is half past two, not half past three. If a Czech friend says sejdeme se v půl osmé, the meeting is at 7:30.

Dates are written day first, as 12. 10. 2026, with full stops and spaces. The week begins on Monday on calendars. When you write to an office or confirm an appointment, use the 24-hour format and the day first to avoid confusion.

Daylight through the year

Time zones say nothing about the light. At about 50 degrees north, Prague has long summer evenings and short winter afternoons. Around midsummer the sun rises at about five in the morning and sets at about nine in the evening, local time; around midwinter it rises close to eight and is down shortly before four. Approximate, but the pattern holds: roughly eight hours of daylight in December, about sixteen in June.

A winter trip needs its sightseeing done before the early dusk, and a late-June terrace evening runs past nine. After the October change, dusk arrives an hour earlier by the clock, which is why that first week feels darker than it is.

Practical points for the first days

Timetables for trams, metro, trains and flights use Prague local time, and a connecting flight in another zone shows local time at each airport. Offices, banks and clinics set their own hours, so check them on the institution's own site. For calls home, add your home city to your phone's world clock by name rather than by fixed offset, so the changes are handled for you, and make sure calendar invitations show the zone as well as the hour.

The one real trap for travellers is the late-October Sunday. A phone set to update automatically copes; a manual alarm clock does not, and an early flight is not forgiving.

Frequently asked questions

Is Prague on GMT?

No. Prague is on Central European Time, one hour ahead of Greenwich Mean Time in winter, and two hours ahead of it in summer.

Does Czechia have more than one time zone?

No. The whole country uses Central European Time.

When do the clocks change in 2026?

They went forward on 29 March and go back on 25 October.

What is the time difference between Prague and New York?

Usually six hours, with Prague ahead. It falls to five hours for a few weeks in March and for a week at the end of October, when the US and Europe change clocks on different dates.

Does Prague use the 12-hour clock?

In writing it uses the 24-hour clock. In speech people use both, and a time such as half past two is said as half of the third hour.

For any call across the Atlantic in the last week of October or the second half of March, write the time in both cities.