CET Time Now: Central European Time (UTC+1)

Central European Time (CET) is UTC+1, used by more than 20 European countries including Germany, France, Italy, Spain, and Poland. Central European Summer Time (CEST, UTC+2) applies from the last Sunday in March to the last Sunday in October. IANA identifiers: Europe/Berlin, Europe/Paris, Europe/Rome, Europe/Madrid, Europe/Amsterdam.

Key facts about CET

Full name: Central European Time
UTC offset: UTC+1
DST: Yes, CEST (UTC+2), last Sunday in March to last Sunday in October
IANA identifiers: Europe/Berlin, Europe/Paris, Europe/Rome, Europe/Madrid, Europe/Amsterdam, Europe/Warsaw, Europe/Stockholm
Countries: Germany, France, Italy, Spain, Poland, Netherlands, Belgium, Austria, Switzerland, Czech Republic, Slovakia, Hungary, Croatia, Slovenia, Serbia, and others

Central European Time is the timezone of the European project. When 27 European Union member states sit down to negotiate, more than half of them are on the same clock. CET covers an arc from Spain’s Atlantic coast to Poland’s border with Belarus, from Norway’s North Sea coast to the Croatian Adriatic. It is, by population, one of the most used single timezones in the world.

The geography of a political timezone

CET is not a geographically honest timezone. The 15-degree East meridian, which corresponds to UTC+1’s natural solar noon, runs through central Germany and eastern Italy. Berlin and Rome sit close to it. But France? France is almost entirely west of the 0-degree meridian (the Prime Meridian). Paris at 2 degrees East is so far west that solar noon in Paris comes at 12:09 PM in winter — already a marginal fit for UTC+1.

Spain is more extreme. Madrid at 3.7 degrees West longitude should be UTC-1 by natural solar time. Noon in Madrid with the sun directly overhead corresponds to roughly 1:44 PM on the CET clock. Spain uses Central European Time not because of geography but because of politics, economics, and Franco.

How Spain ended up on CET

Spain was officially UTC+0 (Greenwich Mean Time) until 1940. When Francisco Franco aligned Spain politically with Nazi Germany and Fascist Italy during World War II, he moved the Spanish clocks to align with German time: UTC+1 in winter, UTC+2 in summer. The political motivation was explicit.

The alignment persisted after the war. Spain joined what had become the standard Central European timezone and never changed back. The consequence: Madrid has some of the latest sunset times of any major Western European city in summer — past 9:30 PM at the solstice. Dinner at 10 PM in Spain is not a cultural affectation. It is a rational response to a clock that runs nearly two hours ahead of the sun.

Spanish sleep scientists and economists have spent decades pointing this out. A 2015 Spanish Senate committee recommended that Spain consider moving to UTC+0. The proposal went nowhere.

Germany and the standardization impulse

Germany is the natural center of CET. Berlin sits close to the 15-degree meridian. The German railway system, one of the most influential in the history of standardized time, drove the adoption of coordinated time across Central Europe in the 1890s. The German railway network’s schedule required that every station along a route use the same clock.

The unification of German time happened in 1893, when the German Empire synchronized to what was then called Mitteleuropaische Zeit (Central European Time). Austria-Hungary adopted the same standard, and a coherent Central European timezone emerged from the practical requirements of cross-border rail travel.

The EU DST debate

The European Union has been trying to abolish daylight saving time for years. In a 2018 online consultation, 4.6 million Europeans responded — one of the largest such consultations in EU history — and 84% voted to abolish the twice-yearly clock change. The European Parliament voted in 2019 to end DST by 2021.

It hasn’t happened yet.

The complication: when DST is abolished, each country must choose its permanent offset. If Germany chooses permanent CEST (UTC+2) and France chooses permanent CET (UTC+1), two of the EU’s largest economies — and closest trading partners — end up on different clocks. If France chooses UTC+2 to match Germany but Spain chooses UTC+1, the Iberian Peninsula splits from the continent.

The problem is not technical. It is political. Every country’s choice affects its neighbors, its trading relationships, and the functioning of European institutions. The EU Council, which requires member state agreement, has not reached consensus on the transition. The DST abolition remains pending.

France and the Napoleonic meridian

There is a layer of historical irony in France using CET. The Prime Meridian at 0 degrees longitude runs through the Paris Observatory. Before the international adoption of the Greenwich Meridian in 1884, France used its own Paris Meridian as the global reference. France resisted Greenwich for 27 years after the international standard was set, finally capitulating in 1911.

Then, to put UTC+1 in France, which has a natural solar noon at UTC+0, you get the spectacle of the country that invented the Prime Meridian system running an hour ahead of the meridian it fought to maintain. French time policy is a history of geographic honesty losing to political alignment.

The CET business day

CET’s position makes it the connector timezone for European-American business. New York (UTC-5 in winter) is 6 hours behind Frankfurt. London (UTC+0) is 1 hour behind. Tokyo (UTC+9) is 8 hours ahead. A Frankfurt bank has some overlap with all three major financial centers in a single business day.

This connectivity is not accidental. Frankfurt’s position as the home of the European Central Bank and one of Europe’s largest stock exchanges (Deutsche Borse) makes CET the de facto financial timezone of continental Europe. When the London Stock Exchange moved its closing time to 4:30 PM local time to better serve European institutional investors, it was accommodating the CET overlap.

Amsterdam, Rotterdam, and the logistics hub

The Netherlands uses CET despite the country’s western position (Amsterdam sits at about 4.9 degrees East longitude — well west of the 15-degree meridian). The choice was made in coordination with Belgium and Germany, reflecting the economic integration of the Rhine corridor.

Rotterdam, the largest port in Europe, handles cargo on a schedule coordinated with the shipping lanes of the North Sea and the production facilities of the Ruhr industrial region in Germany. Both are on CET. The logistics infrastructure of the European hinterland connects Hamburg, Antwerp, Rotterdam, and inland ports along the Rhine on a single clock.