The

time zone A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because i ...

Germany Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the sou ...

Central European Time Central European Time (CET) is a standard time which is 1 hour ahead of Coordinated Universal Time (UTC). The time offset from UTC can be written as UTC+01:00. It is used in most parts of Europe and in a few North African countries. CE ...

(, ''MEZ''; UTC+01:00) and

Central European Summer Time Central European Summer Time (CEST), sometimes referred to as Central European Daylight Time (CEDT), is the standard clock time observed during the period of summer daylight-saving in those European countries which observe Central European Time ...

(, ''MESZ''; UTC+02:00).

Daylight saving time Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typical ...

is observed from the last Sunday in March (02:00 CET) to the last Sunday in October (03:00 CEST). The doubled hour during the switch back to standard time is named 2A (02:00 to 03:00 CEST) and 2B (02:00 to 03:00 CET).

IANA time zone database

The

IANA time zone database The tz database is a collaborative compilation of information about the world's time zones, primarily intended for use with computer programs and operating systems. Paul Eggert is its current editor and maintainer, with the organizational back ...

contains two zones for Germany, "Europe/Berlin" and "Europe/Busingen", although in 1945, the

Trizone The Bizone () or Bizonia was the combination of the American and the British occupation zones on 1 January 1947 during the occupation of Germany after World War II. With the addition of the French occupation zone on 1 August 1948J. Robert W ...

did not follow

Berlin Berlin is Capital of Germany, the capital and largest city of Germany, both by area and List of cities in Germany by population, by population. Its more than 3.85 million inhabitants make it the European Union's List of cities in the European U ...

's switch to midsummer time.

had been politically divided into

East Germany East Germany, officially the German Democratic Republic (GDR; german: Deutsche Demokratische Republik, , DDR, ), was a country that existed from its creation on 7 October 1949 until its dissolution on 3 October 1990. In these years the state ...

and

West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...

at and after the start of the unix epoch, which is the date from which the tz database wants to record correct information. The database aims to include at least one zone for every

ISO 3166-1 ISO 3166-1 (''Codes for the representation of names of countries and their subdivisions – Part 1: Country codes'') is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It ...

alpha-2 country code. This list was first issued in 1997, after the reunification of Germany in 1990. Hence only the unified Germany is listed. The zone Europe/Busingen was created in the 2013a release of the tz database, because since the

Unix time Current Unix time () Unix time is a date and time representation widely used in computing. It measures time by the number of seconds that have elapsed since 00:00:00 UTC on 1 January 1970, the beginning of the Unix epoch, less adjustments ...

epoch in 1970, Büsingen has shared clocks with Zurich. Büsingen did not observe DST in 1980 like the rest of what was then West Germany, but did so from 1981 after Switzerland adopted DST.

History

was first introduced during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...

by the German Empire in the years 1916 to 1918. After the end of the war and the proclamation of the

Weimar Republic The German Reich, commonly referred to as the Weimar Republic,, was a historical period of Germany from 9 November 1918 to 23 March 1933, during which it was a constitutional federal republic for the first time in history; hence it is also r ...

in November 1918, daylight saving time ceased to be observed. It was used again 1940–1949 (from 1945 differently in the West and East) and introduced again from 1980. West and East Germany had the same time and DST from 1950 until unification. In 1996, daylight saving time was harmonised throughout the

European Union The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been ...

by Directive 2000/84/EC, which moved the end of DST to the last Sunday in October. In 1980 the exclave Büsingen did not use DST in order to keep to the same time as Switzerland.

References

External links

Physikalisch-Technische Bundesanstalt - Legal Time

* ttp://www.gesetze-im-internet.de/sozv/ Sommerzeitverordnung (''Summer Time Ordinance'')
German Time Act
{{Europe topic, Time in

IANA time zone database

History

See also

References

External links