Central European Time

{{Short description|Standard time (UTC+01:00)}}

File:Countries using Central Europe Time plus Longitude 15° E.png

File:UTC+1 time zones in africa plus longitude 15° east from greenwich.png

Central European Time (CET) is a standard time of Central, and parts of Western Europe, which is one 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 several African countries.

CET is also known as Middle European Time (MET, German: MEZ) and by colloquial names such as Amsterdam Time, Berlin Time, Brussels Time, Budapest Time, Madrid Time, Paris Time, Stockholm Time, Rome Time, Prague time, Warsaw Time or Romance Standard Time (RST).

The 15th meridian east is the central axis per UTC+01:00 in the world system of time zones.

As of 2023, all member states of the European Union observe summer time (daylight saving time), from the last Sunday in March to the last Sunday in October.

States within the CET area switch to Central European Summer Time (CEST, UTC+02:00) for the summer.{{Cite web|url=https://www.timeanddate.com/news/time/europe-starts-dst-2023.html |first1=Anne |last1=Buckle |first2=Mathew |last2=Gundersen |date=Feb 17, 2023 |title=DST Start in Europe 2023|website=timeanddate.com|language=en|access-date=2023-02-25}}

The next change to CET is scheduled for midnight of 25{{nbsp}}October 2025.

In Africa, UTC+01:00 is called West Africa Time (WAT), where it is used by several countries, year round.{{Cite web|url=https://www.timeanddate.com/time/zones/wat|title=WAT – West Africa Time (Time Zone Abbreviation)|website=timeanddate.com|language=en|access-date=2018-07-19 |url-status=live |archive-url=https://web.archive.org/web/20180719143127/https://www.timeanddate.com/time/zones/wat |archive-date= Jul 19, 2018 }}

Algeria, Morocco, and Tunisia also refer to it as Central European Time.{{Cite news|url=https://www.worldtimeserver.com/time-zones/CET/|title=Central European Time Zone - CET|date=2015-11-19|work=WorldTimeServer.com|access-date=2018-07-19|language=en-US}}

Usage

= Usage in Europe =

== Current usage ==

As of 2017,{{Cite web |title=Central European Time – CET Time Zone |url=https://www.timeanddate.com/time/zones/cet |access-date=2024-03-23 |website=www.timeanddate.com |language=en}} Central European Time is currently used in Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar (British territory), Hungary, Italy, Kosovo (partially recognised as an independent country), Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain (except the Canary Islands), Sweden, Switzerland and Vatican City.

== History ==

  • 1884
  • The Kingdom of Serbia starts using CET.{{Cite web|url=https://www.timeanddate.com/time/zone/serbia/belgrade?syear=1850|title=Time Zone & Clock Changes in Belgrade, Serbia|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1 October 1891
  • Austro-Hungarian Empire adopts CET. At first railways and post offices, cities such as Prague and Budapest, but not Vienna.{{cite web |last1=Kunt |first1=Miroslav |title=Studie - Zavedení středoevropského času |url=http://archiv.kvalitne.cz/studie/cas.htm |website=archiv.kvalitne.cz |access-date=28 June 2020 |language=cs |date=2004 |archive-date=23 June 2021 |archive-url=https://web.archive.org/web/20210623083934/http://archiv.kvalitne.cz/studie/cas.htm |url-status=dead }} (present-day Austria, Czech Republic, Croatia, Hungary, Slovakia, Slovenia and some other regions)
  • 1 April 1893
  • The German Empire unified its time zones to use CET (MEZ).{{cite book |last=Bartky |first=Ian R. |date=2007 |title=One Time Fits All: The Campaigns for Global Uniformity |url=https://books.google.com/books?id=rC6sAAAAIAAJ&q=%22Central+european+time%22+German+1893&pg=PA126 |publisher=Stanford University Press |pages=126–7 |isbn=978-0804756426 |access-date=18 August 2015}}
  • Malta{{Cite web|url=https://www.timeanddate.com/time/zone/malta/valletta|title=Time Zone & Clock Changes in Valletta, Malta|website=timeanddate.com|language=en|access-date=2018-07-19}} uses CET.
  • Vienna (then part of Austro-Hungarian Empire) starts using CET.{{Cite web|url=https://www.timeanddate.com/time/zone/austria/vienna|title=Time Zone & Clock Changes in Vienna, Vienna, Austria|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1 November 1893
  • Italy starts using CET.{{Cite web|url=https://www.timeanddate.com/time/zone/italy/rome?syear=1850|title=Time Zone & Clock Changes in Rome, Italy|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1894
  • Switzerland switches from UTC+00:30 to CET{{Cite web|url=http://www.hls-dhs-dss.ch/textes/d/D12813.php |date=Jan 25, 2015 |title=Zeitsysteme|last=Messerli|first=Jakob|website=Historisches Lexikon der Schweiz - Schweizer Geschichte|language=de|access-date=2018-07-19}}
  • Liechtenstein introduces CET.{{Cite web|url=http://www.dullophob.com/Kalendertage/2015-04/15-04-01%20Einheitszeit1893.html|title=dullophob|website=www.dullophob.com|access-date=2018-07-19|archive-url=https://web.archive.org/web/20180719143132/http://www.dullophob.com/Kalendertage/2015-04/15-04-01%20Einheitszeit1893.html|archive-date=2018-07-19|url-status=usurped}}
  • Denmark adopts CET.{{Cite web|url=https://www.timeanddate.com/time/zone/denmark/copenhagen?syear=1850|title=Time Zone & Clock Changes in Copenhagen, Denmark|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1895
  • Norway adopts CET.{{Cite web|url=https://www.timeanddate.com/time/change/norway/oslo?year=1895|title=Daylight Saving Time Changes 1895 in Oslo, Norway|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1900
  • Sweden adopts CET.{{Cite web|url=https://www.timeanddate.com/time/zone/sweden/stockholm?syear=1850|title=Time Zone & Clock Changes in Stockholm, Sweden|website=timeanddate.com|language=en|access-date=2018-07-19}}
  • 1904
  • Luxembourg introduces CET,{{Cite web|url=https://www.timeanddate.com/time/change/luxembourg/luxembourg?year=1904|title=Daylight Saving Time Changes 1904 in Luxembourg, Luxembourg|website=timeanddate.com|language=en|access-date=2018-07-20}} but leaves 1918.{{Cite web|url=https://www.timeanddate.com/time/change/luxembourg/luxembourg?year=1918|title=Daylight Saving Time Changes 1918 in Luxembourg, Luxembourg|website=timeanddate.com|language=en|access-date=2018-07-20}}
  • 1914
  • Albania adopts CET.{{Cite web|url=https://www.timeanddate.com/time/zone/albania/tirana?syear=1900|title=Time Zone & Clock Changes in Tirana, Albania|website=timeanddate.com|language=en|access-date=2018-07-20}}
  • 1914–1918
  • During World War I CET was implemented in all German-occupied territories.{{Cite web|url=http://www.thetimenow.com/cet/central_european_time|title=CET - Central European Time|website=www.thetimenow.com|language=en|access-date=2018-07-20}}
  • 1920
  • Lithuania adopts CET (but subsequently rescinded in 1940) and 1998−1999 again.{{Cite web|url=https://www.timeanddate.com/time/zone/lithuania/vilnius?syear=1900|title=Time Zone & Clock Changes in Vilnius, Lithuania|website=timeanddate.com|language=en|access-date=2018-07-20}}
  • 1922
  • Poland adopts CET.{{Cite web|url=https://www.vercalendario.info/en/when/time-changes-in-poland.html|title=Time Changes in Poland 2017|website=www.vercalendario.info|language=en|access-date=2018-07-20}}
  • 1940
  • Under German occupation:
  • The Netherlands was switched from UTC+00:20 to CET.
  • Belgium was switched from UTC+00:00.
  • Luxembourg was switched from UTC+00:00.
  • France, which had adopted Paris time on 14 March 1891 and Greenwich Mean Time on 9 March 1911,{{cite book |last=Bartky |first=Ian R. |date=2007 |title=One Time Fits All: The Campaigns for Global Uniformity |url=https://books.google.com/books?id=rC6sAAAAIAAJ&q=%22Central+european+time%22+German+1893&pg=PA126 |publisher=Stanford University Press |pages=130, 134 |isbn=978-0804756426 |access-date=18 August 2015}} was switched to CET.
  • Spain switched to CET.

After World War II Monaco, Andorra and Gibraltar implemented CET.

Portugal used CET in the years 1966–1976 and 1992–1996.

;United Kingdom

The time around the world is based on Universal Coordinated Time (UTC) which is roughly synonymous with Greenwich Mean Time (GMT). From late March to late October, clocks in the United Kingdom are put forward by one hour for British Summer Time (BST). Since 1997, most of the European Union aligned with the British standards for BST.

In 1968{{cite news |author= |title=Summer Time all the time |url=https://www.britishnewspaperarchive.co.uk/viewer/bl/0002135/19680213/623/0027 |newspaper=Birmingham Daily Post |location=England |date=13 February 1968 |access-date=16 July 2018 |via=British Newspaper Archive |url-access=subscription }} there was a three-year experiment called British Standard Time, when the UK and Ireland experimentally employed British Summer Time (GMT+1) all year round; clocks were put forward in March 1968 and not put back until October 1971.{{cite news |author= |title=Clocks to be turned back |url=https://www.britishnewspaperarchive.co.uk/viewer/bl/0002135/19711002/460/0017 |newspaper=Birmingham Daily Post |location=England |date=2 October 1971 |access-date=16 July 2018 |via=British Newspaper Archive |url-access=subscription }}

Central European Time is sometimes referred to as continental time in the UK.

= Other countries =

Several African countries use UTC+01:00 all year long, where it is known as West Africa Time (WAT), although Algeria, Morocco and Tunisia use the term Central European Time despite being in North Africa.

Between 2005 and 2008, Tunisia observed daylight saving time.{{Cite web|url=https://www.timeanddate.com/time/change/tunisia/tunis?year=2005|title=Daylight Saving Time Changes 2005 in Tunis, Tunisia|website=timeanddate.com|language=en|access-date=2018-07-20}} Libya also used CET during the years 1951–1959, 1982–1989, 1996–1997 and 2012–2013.

For other countries see UTC+01:00 and West Africa Time.

Discrepancies between official CET and geographical CET

class="wikitable" style="float:right; width:300px; margin-right:0; margin:10px"
ColourLegal time vs local mean time
style="background: #8f8fbf;" |

| 1 h ± 30 min behind

style="background: #bfbfbf;" |

| 0 h ± 30 min

style="background: #bf8f8f;" |

| 1 h ± 30 min ahead

style="background: #bf6060;" |

| 2 h ± 30 min ahead

style="background: #bf0000;" |

| 3 h ± 30 min ahead

Image:Tzdiff-Europe-winter.png

Image:Tzdiff-Europe-summer.png

The criteria for drawing time zones is based on many factors including: legal, political, economic, and physical or geographic. Consequently, time zones rarely adhere to meridian lines. The CET time zone, were it drawn by purely geographical terms, would consist of exactly the area between meridians 7°30′ E and 22°30′ E. As a result, there are European locales that despite lying in an area with a "physical" or "nominal" UTC+01:00 time, actually use another time zone (UTC+02:00 in particular – there are no "physical" UTC+01:00 areas that employ UTC+00:00). Conversely, there are European areas that have gone for UTC+01:00, even though their "physical" time zone is UTC (typically), UTC−01:00 (westernmost Spain), or UTC+02:00 (e.g. the very easternmost parts of Norway, Sweden, Poland and Serbia). On the other hand, people in Spain still have all work and meal hours one hour later than France and Germany despite sharing the same time zone.{{Cite news|url=https://qz.com/1004788/in-spain-a-time-zone-influenced-by-nazi-germany-has-workers-facing-long-days/|title=Spain spent the last 76 years in the wrong time zone—and it's not healthy for workers|last=Purdy|first=Chase|work=Quartz|access-date=2018-07-20|language=en-US}} Historically Gibraltar maintained UTC+01:00 all year until the opening of the land border with Spain in 1982, when it followed its neighbour and introduced CEST. The following is a list of such "incongruences":

= Areas within [[UTC+01:00]] longitudes using other time zones =

These areas are between 7°30′ E and 22°30′ E ("physical" UTC+1){{Cite web|url=https://www.timetemperature.com/europe/greece_time_zone.shtml|title=Greece Time Zone|website=www.timetemperature.com|access-date=2018-07-20}}{{Cite web|url=http://madriver.me/time-zone-map-europe.html/europe-time-zones-map-with-zone|title=Europe Time Zones Map With Zone - madriver.me|website=madriver.me|access-date=2018-07-20|archive-url=https://web.archive.org/web/20180720135858/http://madriver.me/time-zone-map-europe.html/europe-time-zones-map-with-zone|archive-date=2018-07-20|url-status=dead}}

== Areas using [[UTC+02:00]] ==

= Areas outside [[UTC+01:00]] longitudes using [[UTC+01:00]] time =

These areas are either west of 7°30′ E or east of 22°30′ E (outside nominal UTC+01:00)

== Areas between 22°30′ W and 7°30′ W (nominal [[UTC−01:00]]) ==

  • The westernmost part of mainland Spain (Galicia, e.g. the city of A Coruña); Cape Finisterre and nearby points in Galicia, at 9°18′ W, are the westernmost places of CET in Spain.
  • The Norwegian island of Jan Mayen lies entirely within this area and extends nearly as far west as Cape Finisterre, with its western tip at 9°5′ W and its eastern tip at 7°56′ W.
  • Western Morocco including the city of Casablanca, at 7°35′ W. CET usage in Morocco extends as west as 13°10′ W.
  • The entirety of Western Sahara with its western tip at 17°6′ W and its eastern tip at 8°40′ W.

== Areas between 7°30′ W and 7°30′ E (nominal [[UTC+00:00]]) ==

== Areas between 22°30′ E and 37°30′ E (nominal [[UTC+02:00]]) ==

Image:Petsamo.png in northern Finland/Soviet Union/Russia. The green area is the Finnish part of the Rybachi peninsula (Kalastajasaarento) which was ceded to the Soviet Union after the Winter War. The Red area is the Jäniskoski-Niskakoski area ceded to the USSR in 1947.]]

See also

References

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