Template:Start and end dates

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This template should not be used in citation templates such as Citation Style 1 and Citation Style 2, because it includes markup that will pollute the COinS metadata they produce; see Wikipedia:COinS.

This purpose of the {{start and end dates}} template is to return the date range during which an event transpired or an entity existed. It also includes duplicate, machine-readable date (or date-time) in the ISO date format (which is hidden by CSS), for use inside other templates (or table rows) which emit microformats. It should be used only once in each such template and never used outside such templates. The hidden date degrades gracefully when CSS is not available.

Usage

When not to use this template

Do not use this template for:

dates that are uncertain e.g., "before 4 April 1933"; "around 18 November 1939".
dates outside the range given under "Limitation", below.
other, secondary dates
outside microformat-emitting templates - if in doubt, see the parent template's documentation
more than one date in any parent template

Syntax

{{start and end dates|year|month|day|year|month|day}}

Example: {{start and end dates|1939|9|1|1945|9|2}} → September 1, 1939 – September 2, 1945 (1939-09-01 – 1945-09-02)

Example (day first): {{start and end dates|1939|9|1|1945|9|2|df=yes}} → 1 September 1939 – 2 September 1945 (1939-09-01 – 1945-09-02)

Example: (present range): {{start and end dates|1939|9|1|present}} → September 1, 1939 – present (1939-09-01 – present)

Parameters

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

TemplateData for Start and end dates

Date that an event or entity started or was created and when it ended or was destroyed

Template parameters[Edit template data]
Parameter		Description	Type	Status
YYYY	`1`	start year Example 1939	Number	optional
MM	`2`	start month Example 9	Number	optional
DD	`3`	start day of month Example 1	Number	optional
YYYY	`4`	end year Example 1945	Number	optional
MM	`5`	end month Example 9	Number	optional
DD	`6`	end day of month Example 2	Number	optional
day first	`df`	boolean parameter to put the date before the month name Default false Example yes	Line	optional

Use in microformats

Template:UF-date-part

Birth templates	Description / use
{{Birth date}}	To display a birth date and related hidden metadata.
{{Birth-date}}
{{Birth date and age}}	{{Birth date}} with suffix '(age N)'.
{{Birth date and age2}}	{{Birth date and age}} plus age as of a specified date.
{{Birth-date and age}}	As {{Birth date and age}}, but accepts dates in text form ('15 June 1950', 'June 15, 1950', 'June 1950', etc.).
{{Birth year and age}}	Year of birth and approximate age.
{{Birth based on age as of date}}	To display approximate birth year and current age given a particular date (e.g. when a dated reference mentions the age of a person), only works for living people.
{{Birth based on age at death}}	To display approximate birth year based on age at death, or on age at a specific date if death date isn't known.

Death templates	Description / use
{{Death date}}	To display a death date and related hidden metadata.
{{Death-date}}
{{Death date and age}}	{{Death date}} with suffix '(aged N)'; also called with {{event date and age}}.
{{Death-date and age}}	As {{Death date and age}}, but accepts dates in text form ('15 June 1950', 'June 15, 1950', 'June 1950', etc.).
{{Death date and given age}}	To display a death date and specified age.
{{Death year and age}}	To display a year of, and approximate age at death.

age only

Conventional age templates	Description / use
{{Age in years, months, weeks and days}}	Number of complete years, months, weeks and days between two dates.
{{Age in years, months and days}}	Number of complete years, months and days between two dates.
{{Age in years and months}}	Number of complete years and remaining months between two dates.
{{Age in years and days}}	Number of complete years and remaining days between two dates.
{{Age in years and days nts}}	{{Age in years and days}} with output formatted for use in number sortable tables.
{{Age in decimal years}}	Number of years between two dates, rounded to the specified number of decimal places.
{{Age in years}}	Number of years between two dates.
{{Age in years nts}}	{{Age in years}} with output formatted for use in number sortable tables.
{{Age in months}}	Number of months between two dates.
{{Age in weeks and days}}	Number of weeks and days between two dates.
{{Age in weeks}}	Number of weeks between two dates.
{{Age in days}}	Age in days between two dates.
{{Age in days nts}}	{{Age in days}} with output formatted for use in number sortable tables.

Reverse-determined age template	Description / use
{{Age}}	Age based on number of complete years between two dates.
{{Age nts}}	{{Age}} with output formatted for use in number sortable tables.
{{Age as of date}}	Current age (in years) from a known age at a specified date.
{{Age for infant}}	Current age for infant: months and days up to one year, years and months up to three years, and years beyond age 3.

start / end dates

Date-focused templates	Description / use
{{Start date}} / {{End date}}
{{Start-date}} / {{End-date}}
{{Start date and age}}
{{End date and age}}

miscellaneous

Template	Description / use
{{OldStyleDate}}	Dates in Julian calendar.
{{OldStyleDateDY}}	As {{OldStyleDate}} but used when Julian / Gregorian dates fall in different years.
{{OldStyleDateNY}}	As {{OldStyleDate}} but without the year.
{{Unidentified for}}
{{Missing for}}

The above documentation is transcluded from Template:Start and end dates/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.