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calendar Calendar

Name of the calendar used in naming a date such as a publication date, for example, “Gregorian”, “Japanese” (Emperor years), or “Thai Buddha”.

Usage/Remarks

In this Tag Set, many of the date elements, such as <pub-date> and <year>, may take a @calendar attribute to indicate the calendar in which the date is given. For example, a calendar might be named as:
  • Arabic-Hijrah
  • Chinese
  • English-Hijrah
  • Gregorian
  • Japanese
  • Korean
  • Persian
  • ROC-official
  • Thai-Buddha
Here is an example of a year and calendar in Pinyin:
<year calendar="Nónglì">Guisi</year>
Neither a date nor a calendar need be stated in English. The element that holds the @calendar attribute may also take an @xml:lang attribute to name the language or script of the element content. For example, here is a year from the traditional Chinese calendar, in which both the @calendar and the year itself are given in Chinese: 
<year xml:lang="zh" calendar="農曆">癸巳</year>
OPTIONAL on many elements; click for list and usage

<access-date>, <conf-date>, <date>, <date-in-citation>, <pub-date>, <string-date>, <year>

Value Meaning
Text, numbers, or special characters Name of the calendar used in the date, for example, “Gregorian”.
Restriction @calendar is an optional attribute; there is no default.
Tagged Sample

A Japanese calendar date

...
<date date-type="received" calendar="Japanese" 
  iso-8601-date="2013-07-01">
 <day>1</day><month>7</month><year>25</year>
 <era>昭和</era>
</date>
...