Template:Day-1/doc

This is a documentation subpage for Template:Day-1.
It may contain usage information, categories and other content that is not part of the original template page.

This template is used on approximately 8,300 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

{{day-1}} subtracts one from a date or date-specific pagename

Usage

{{Day-1}} - returns yesterday's date

{{Day-1|date}} - returns the day before the 'date' passed

{{Day-1|date|pagename|year|spacingchar}} - returns the name of the page one day before the 'datepage' passed in

Example

Code	Result
`{{Day-1}}`	October 9
`{{Day-1\|January 1}}`	January 2
`{{Day-1\|January 1\|\|2004}}`	January 2, 2004
`{{Day-1\|January 1, 2004\|\|2004}}`	January 2, 2003
`{{Day-1\|January 1, 2004\|\|2004\|_}}`	January_2,_2004
`{{Day-1\|February 28}}`	March 1
`{{Day-1\|February 28\|Wikipedia:Today's featured article/\|2004}}`	Wikipedia:Today's featured article/March 1, 2004
`{{Day-1\|March 1}}`	March 2
`{{Day-1\|March 1\|\|2004}}`	March 2, 2004
`{{Day-1\|March 1, 2004}}`	March 2
`{{Day-1\|March 1, 2005}}`	March 2
`{{day-1\|{{day-1}}}}`	October 10
`{{day-1\|{{Currentmonthday}}\|Wikipedia:Today's featured article/\|{{CURRENTYEAR}}}}`	Wikipedia:Today's featured article/October 9, 2026
`''[http://en.wikipedia.org/w/wiki.phtml?title=Wikipedia:POTD_row/{{day-1\|4=_}},_{{CURRENTYEAR}}&action=edit Edit]''`	Edit

TemplateData

This is the TemplateData for this template used by TemplateWizard, VisualEditor and other tools. See a monthly parameter usage report for Template:Day-1 in articles based on its TemplateData.

TemplateData for Day-1

Returns the date of yesterday or the previous day of some specified date.

Template parameters
This template prefers inline formatting of parameters.
Parameter		Description	Type	Status
date	`1`	A specific date to calculate the previous day, as understood by {{#time}} Default {{CURRENTMONTHNAME}} {{CURRENTDAY}} Example March 1, 2004 Auto value `{{subst:CURRENTMONTHNAME}} {{subst:CURRENTDAY}}, {{subst:CURRENTYEAR}}`	String	optional
page name	`2`	A prefix to prepend before the returned date Example Wikipedia:Today's featured article/	String	deprecated
year	`3`	Include (or repeat) the year to return an MDY date; omit to return just an MD date Example 2004 Auto value `{{subst:CURRENTYEAR}}`	String	optional
spacing char	`4`	Separator to replace the spaces in the returned date Default Example _	String	deprecated
days	`days`	no description Default 1	Number	deprecated

Multiple units of time


Type	Adjustable	Current	Last	Next
Date and time	{{time}}	{{Currentdate}} (MDY) {{Plain now}} (DMY) {{Now}} (DMY in a complete sentence) {{Simple now}}
Date only	{{Dateonly}} {{Datedow}} (Has the day of the week)	{{Date}} (Chose format) {{TODAY}} (DMY)	{{Yesterday}} {{Day-1}}	{{Tomorrow}} {{Day+1}}
Month and year only		{{Monthyear}} {{DATE}} (prefixed by date=)	{{Monthyear-1}} {{Last month}}	{{Monthyear+1}} {{Next month}}
Time only	{{Timeonly}} (Adjustable to 12 h format)	{{CURRENTTIME}} (24 h format)
Banners		{{Right now}} (Blue with time and number of Wikipedia articles)
Timestamp		{{CURRENTTIMESTAMP}} (Format YYYYMMDDhhmmss)

Single units of time


Unit of time	Adjustable	Current	Last	Next
Second		{{CURRENTSECOND}}
Minute		{{CURRENTMINUTE}}
Hour		{{CURRENTHOUR}}
Week		{{CURRENTWEEK}} {{CURRENTWEEKOFMONTH}}
Day of Week	{{DAYOFWEEK}}	{{CURRENTDAYNAME}} {{CURRENTDAYNAMEABBREV}} {{CURRENTWEEKDAY}} (1–7, ISO) {{CURRENTDOW}} (0–6)
Month	{{MONTHNAME}} {{MONTHABBREV}} {{MONTHNUMBER}} {{MONTH}} (zero padded)	{{CURRENTMONTHNAME}} {{CURRENTMONTHABBREV}} {{CURRENTMONTH1}} {{CURRENTMONTHDAYS}}	{{LASTMONTHNAME}} {{Last month (short)}}	{{NEXTMONTHNAME}} {{Next month (short)}}
Day of Month		{{CURRENTDAY}} {{CURRENTDAY2}} (zero padded)
Year		{{CURRENTYEAR}} {{CURRENTYEARCC}} {{CURRENTYEARYY}} {{CURRENTISOYEAR}}	{{LASTYEAR}}	{{NEXTYEAR}}
Day of Year		{{CURRENTDAYOFYEAR}}
Decade	{{DECADE}}	{{CURRENTDECADE}}
Century	{{Century}}	{{CURRENTCENTURY}}
Millenium	{{MILLENNIUM}}

Date and time templates made for substitution

Parser functions

mw:Special:MyLanguage/time permits a custom time specifier string, similar to the C date and time functions

Individual templates

Categories of templates