Category:CS1 errors: dates
This is a tracking category. It is used to build and maintain lists of pages—primarily for the sake of the lists themselves and their use in article and category maintenance. It is not part of the encyclopedia's categorization scheme.
More information:
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Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time. |
This is a tracking category for
Most (although not all) cases in the category can automatically be dealt with by clicking here to activate User:Citation bot.
- Check date values in:
|<param1>=
,|<param2>=
, ... - Check date values in:
|year=
/|date=
mismatch
When Citation Style 1 and Citation Style 2 templates contain date-holding parameters, an automated test is done to see if the dates are real dates that comply with a subset of the date rules in Wikipedia's Manual of Style, specifically checking for violations of MOS:DATEFORMAT.
To resolve this error, ensure that the date is an actual date and that the date format follows the
- impossible dates, such as 29 February 2011 (2011 was not a leap year)
|access-date=
must specify a day, not just a month or year|archive-date=
must specify a whole date- misplaced, incorrect, or extraneous punctuation
- misplaced, incorrect, or extraneous spacing
- extraneous text
- hyphens or slashes instead of en dashes in date ranges (en dashes are required)
- misspelling or improper capitalization (see Wikipedia Manual of Style's guidance on dates)
- other unacceptable date formats listed in MOS:BADDATEFORMAT
- more than one date in a date-holding parameter
- days of the week (such as Monday, June 6 instead of June 6)
- years before 100 AD, including BCE/BC dates. Try using parameter
|orig-date=
instead.
See
Future dates in |date=
in CS1|2 citations are limited to current year + 1; that is, for 2024, citation dates in 2025 are acceptable but citation dates in 2026 and beyond are not.
Dates prior to 1582 are treated as Julian calendar dates. Dates from 1582 onward are treated as Gregorian calendar dates. The Julian calendar was used in some places until approximately 1923. Three Julian calendar dates in the overlap period, 29 February in the years 1700, 1800, and 1900, will cause this error message because those years are not leap years in the Gregorian calendar.
The access date (in |access-date=
) is checked to ensure that it contains a full date (day, month, and year) and is between 15 January 2001 (the founding date of Wikipedia) and today's date plus one day, because it represents the date that an editor viewed a web-based source to verify a statement on Wikipedia. Because editors may be in time zones that are one day ahead of the UTC date, one extra day is accepted.
Pages with this error are automatically placed in Category:CS1 errors: dates.[a]
By default, Citation Style 1 and Citation Style 2 error messages are visible to all readers and maintenance messages are hidden from all readers.
To display maintenance messages in the rendered article, include the following text in your common
(Note to new editors: those CSS pages are specific to you, and control your view of pages, by adding to your user account's
.mw-parser-output span.cs1-maint {display: inline;} /* display Citation Style 1 maintenance messages */
To display hidden-by-default error messages:
.mw-parser-output span.cs1-hidden-error {display: inline;} /* display hidden Citation Style 1 error messages */
Even with this CSS installed, older pages in Wikipedia's cache may not have been updated to show these error messages even though the page is listed in one of the tracking categories. A
To hide normally-displayed error messages:
.mw-parser-output span.cs1-visible-error {display: none;} /* hide Citation Style 1 error messages */
You can personalize the display of these messages (such as changing the color), but you will need to ask someone who knows CSS or at
Nota bene: these CSS rules are not obeyed by Navigation popups. They also do not hide script warning messages in the Preview box that begin with "This is only a preview; your changes have not yet been saved".
Notes
- ^ Pages in the Category talk, Draft talk, File talk, Help talk, MediaWiki talk, Module talk, Portal talk, Talk, Template talk, User, User talk, and Wikipedia talk namespaces are not included in the tracking categories. In addition, pages with names matching the patterns '/[Ss]andbox', '/[Tt]estcases', '/[^/]*[Ll]og', and '/[Aa]rchive' are not included in the tracking categories.
Pages in category "CS1 errors: dates"
The following 72 pages are in this category, out of 72 total. This list may not reflect recent changes.
D
Δ
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