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The European Committee for Standardization (CEN) and (CENELEC) adopted
ISO 8601 ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data. It is maintained by the Geneva-based International Organization for Standardization (ISO) and was first published in 1988, wi ...
with EN 28601, now EN ISO 8601. As a
European Norm European, or Europeans, or Europeneans, may refer to: In general * ''European'', an adjective referring to something of, from, or related to Europe ** Ethnic groups in Europe ** Demographics of Europe ** European cuisine, the cuisines of Europe a ...
, CEN and CENELEC member states are obligated to adopt the standard as national standard without alterations as well. Except for Austria, Germany and Switzerland, see the navigation box on the bottom to find individual articles per country.


European Commission

Official EU documents still tend to use ''DD.MM.YYYY'' but one document specifies the use of ISO 8601: "Dates should be formatted by the following format: YYYY-MM-DD."


Post-Soviet states


Date

In most
post-Soviet states The post-Soviet states, also known as the former Soviet Union (FSU), the former Soviet Republics and in Russia as the near abroad (russian: links=no, ближнее зарубежье, blizhneye zarubezhye), are the 15 sovereign states that wer ...
''DD.MM.YYYY'' format is used with dots as separators and with leading zeros. Some, such as
Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...
, have adopted the ISO 8601 "YYYY-MM-DD"; previously a mixed standard with ISO 8601 order but dots as separators was in use.


Time

24-hour time notation is used officially and for purposes that require precision like announcements in the media. In colloquial speech, the 12-hour clock is also used in some places/countries.


Austria, Germany, Switzerland


Date

The traditional all-numeric form of writing
Gregorian date The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years diffe ...
s in German is the
little-endian In computing, endianness, also known as byte sex, is the order or sequence of bytes of a word of digital data in computer memory. Endianness is primarily expressed as big-endian (BE) or little-endian (LE). A big-endian system stores the most si ...
day.month.year order, using a dot on the line (period or full stop) as the separator (e.g., "31.12.1991" or "15.4.74"). Years could be written with two or four digits; the century was sometimes seen being replaced by an apostrophe: "31.12.'91"; however, two-digit years are generally deprecated after the
Millennium A millennium (plural millennia or millenniums) is a period of one thousand years, sometimes called a kiloannum (ka), or kiloyear (ky). Normally, the word is used specifically for periods of a thousand years that begin at the starting point (ini ...
. Numbers may be written with or without leading zero in Austria or Switzerland, where they are commonly only discarded in days when literal months are being used (e.g., "09.11.", but "9. November"). German grammar rules do not allow for leading zeros in dates at all, and there should always be a space after a dot. However, leading zeros were allowed according to machine writing standards if they helped aligning dates. The use of a dot as a separator matches the convention of pronouncing the day and the month as an
ordinal number In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets. A finite set can be enumerated by successively labeling each element with the least n ...
, because ordinal numbers are written in German followed by a dot. In
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
, it is not uncommon in casual speech to use numbers to refer to months, rather than their names (e.g. "der zweite erste" - the second first - for 2 January). Besides that, in Hungary the big-endian year-month-day order, has been traditionally used. In 1995, also in Germany, the traditional notation was replaced in the
DIN 5008 The German national standard DIN 5008 by Deutsches Institut für Normung (DIN) specifies writing and layout rules for word processing. As such it is one of the fundamental standards for office communication and administrative work in Germany. Today ...
standard, which defines common typographic conventions, with the ISO 8601 notation (e.g., "1991-12-31"), and becoming the prescribed date format in Germany since 1996-05-01. The latter is beginning to become more popular, especially in IT-related work and international projects. Since portions of the population continued to use the old format, the traditional format was re-introduced as alternative to the standard yyyy-mm-dd format to DIN 5008 in 2001 and
DIN ISO 8601 ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data. It is maintained by the Geneva-based International Organization for Standardization (ISO) and was first published in 1988, wi ...
in September 2006 but its usage is restricted to contexts where misinterpretation cannot occur. The expanded form of the date (e.g., "31. Dezember 1991") continues to use the little-endian order and the ordinal-number dot for the day of the month. Week numbers according to ISO 8601 and the convention of starting the week on Monday were introduced in the mid 1970s (
DIN 1355 DIN or Din or din may refer to: People and language * Din (name), people with the name * Dīn, an Arabic word with three general senses: judgment, custom, and religion from which the name originates * Dinka language (ISO 639 code: din), spoken by ...
). These conventions have been widely adhered to by German calendar publishers since then. Week numbers are prominently printed in calendars and are widely used in the business world. It is common to hear people say, for example, "I'm still free in week 36" or to have a company write "We expect delivery in week 49". Especially in business communication, written or spoken, it is common to use week numbers with the abbreviation KW, standing for ''Kalenderwoche'' ("calendar week"), so that in German the last example would be expressed as "''Wir erwarten die Lieferung in der 49. KW''" or "''Wir erwarten die Lieferung in KW 49''". Broadcasting weeks continue to start on Saturdays, two days before the DIN 1355 week. Weekday names are commonly (and according to DIN 1355) abbreviated with two letters (Mo, Di, Mi, Do, Fr, Sa, So), whereas month names are abbreviated (if at all) with three letters (Jan, Feb, Mrz, Apr, Mai, Jun, Jul, Aug, Sep, Okt, Nov, Dez).


Time

In written German, time is expressed almost exclusively in the
24-hour notation The modern 24-hour clock, popularly referred to in the United States as military time, is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) pas ...
(00:00–23:59), using either a colon or a dot on the line as the separators between hours, minutes, and seconds – e.g. ''14:51'' or ''14.51''. The standard separator in Germany (as laid down in
DIN DIN or Din or din may refer to: People and language * Din (name), people with the name * Dīn, an Arabic word with three general senses: judgment, custom, and religion from which the name originates * Dinka language (ISO 639 code: din), spoken by ...
1355, DIN 5008) was the dot. In 1995 this was changed to the colon in the interest of compatibility with ISO 8601. The traditional representation with a dot remains in widespread use, however, and in this format leading zeros are generally omitted from the hours; additionally, the literal string "Uhr" is frequently added – e.g. ''6.30 Uhr''. Just as with the date format, leading zeros appear to be less commonly used in Germany than in Austria and Switzerland although the Austrian Standard ÖNORM recommends the zero for table-form dates only – such as ''Abfahrt 08:30 Uhr'' – and not for running text. In spoken language, the
24-hour clock The modern 24-hour clock, popularly referred to in the United States as military time, is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. This is indicated by the hours (and minutes) pas ...
has become the dominant form during the second half of the 20th century, especially for formal announcements and exact points in time. Systematic use of the 24-hour clock by German radio and TV announcers, along with the proliferation of digital clocks, may have been a significant factor in this development. In German-speaking
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
, only the 12-hour clock is used in everyday speech. A variant of the
12-hour clock The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin , translating to "before midday") and p.m. (from Latin , translating to "after midday"). For different opinions on represent ...
is also used, in particular in informal speech for approximate times. On some radio stations, announcers regularly give the current time on both forms, as in "Es ist jetzt vierzehn Uhr einundfünfzig; neun Minuten vor drei" ("It is now fourteen fifty-one; nine minutes to three"). There are two variants of the 12-hour clock used in spoken German regarding quarterly fractions of the current hour. One always relates to the next full hour, in other words, it names the fraction of the currently passing hour. For example, "dreiviertel drei" (three-quarter three, see table below) stands for "three quarters of the third hour have passed". The other variant is relative; this one is also used for multiples of five minutes. The relative phrases are exclusive to the 12-hour clock, just as the "(hour) Uhr (minutes)" format is exclusive to the 24-hour clock. For hours greater than 12 and non-zero minutes, “Uhr” is sometimes omitted, especially for the half hours between 13:30 and 19:30. The controversy between the "absolute" and "relative" ways of giving the time is largely one of regional dialect differences: the "relative" variant (as in "viertel/Viertel vor/auf drei") is the much more common one as it is used in a wide diagonal strip from Hamburg to Switzerland, leaving some of the German south-west and most of eastern Germany as well as the eastern half of Austria with the "absolute" variant (as in "dreiviertel drei" or "drei Viertel drei"). For half-hours, the absolute form as in "halb zwei" is used everywhere. The term controversy may be appropriate insofar as "relativists" often complain about not being able to decode the "absolute" way of telling the time, resulting in missed appointments etc. The same way of giving the time is used also in Hungary and Slovenia (of course using the local language) perhaps as the remnant of the old Austro-Hungarian times.


See also

*
ISO 8601 usage ISO 8601 is an international standard covering the worldwide exchange and communication of date and time-related data. It is maintained by the Geneva-based International Organization for Standardization (ISO) and was first published in 1988, wi ...
*
Date format by country The legal and cultural expectations for date and time representation vary between countries, and it is important to be aware of the forms of all-numeric calendar dates used in a particular country to know what date is intended. Writers have trad ...
* Subtractive notation


References

{{Europe topic, Date and time notation in Time in Europe Date and time representation