Template:Birth-date and age

Template documentation

Returns a person's date of birth and age.

Besides calculating the age of the person, the benefit of using this template, is to allow for the inclusion of hidden metadata to be used, indexed or searched by software tools.

Typical Usage

Format

{{Birth-date and age| birth date}}

{{Birth-date and age| birth date | wikitext to display in place of 'birth date'. Like the right hand parameter in a wikilink, this could be alternate text, links, templates etc. }}

Examples

Birth-date and age examples (colors for emphasis only):

Month first format: Sample below displays Template:Date-mf (age 83), with invisible microformat date: 1941-04-12 {{birth-date and age|April 12, 1941}}

Day first format: Sample below displays Template:Date-mf (age 83), with invisible microformat date: 1941-04-12 {{Birth-date and age| 12 April 1941 }}

Year only, year and month only: Sample below displays Template:Date-mf (age 83), with invisible microformat date: 1941 {{Birth-date and age | 1941 }}

Demo of ISO date, as well as alternate displays. Sample below displays Template:Date-mf (age 83), with invisible microformat date: 1941-04-12 {{Birth-date and age| 1941-04-12 | Twelfth of April, 1941}}

Full list of Parameters

{{birth-date and age|birth date|additional parameters}}

Parameters

Parameter			Default
(required)	1	Birth date. May be year only, year and month, year month and day, expressed in natural formats: eg: 24 August 1953, 1955-08-25, Sunday, December 7, 1941. If parameter three is not specified, the birth date is displayed in exactly this format. This value as well as parameter 2 may not include links. If links or templates that do not evaluate as recognizable dates are desired, use parameter 2.	–
(optional)	2	The birth date to display. This may include links or templates, or any combination of them, and overrides parameter 1.	parm 1
(optional)	bce	If birth date is BC, set to "b".	–
(optional)	gregorian	If Julian date is used, this parameter is required. The date provided is used for emitting the correct microformat translation of the birth date.	parm 1
(optional)	dt	This value if present is the ISO8601 value emitted to indicate microformat birth date. It overrides any calculated value.	–

Interaction side-effects with other templates

Note: Do not use this template inside of the Persondata template as it can interfere with data extraction.

See also

• Wikipedia:Age calculation templates