Template:Birth date and age/doc

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It has been suggested that Hcard-bday be merged into this page or section. (Discuss)

Usage

These templates ({{Birth date}} and {{Birth date and age}}) return a person's date of birth and optionally his/her age. The later also have the shortcut: {{Bda}}.

Using this template rather than simply inserting the date into articles allows for the inclusion of hidden metadata about the date. This metadata can be used by web browsers and other software tools to extract the details, and display them using some other website or mapping tool, index or search them.

Syntax:

{{Birth date|year of birth|month of birth|day of birth}}

or

{{Birth date and age|year of birth|month of birth|day of birth}}

{{Bda|year of birth|month of birth|day of birth}}

Examples:

{{Birth date|1993|2|24}} returns "February 24 1993(1993-02-24)"

{{Birth date and age|1993|2|24}} returns February 24 1993 (1993-02-24) (age 15)

An optional parameter, df, can be set (to "y" or "yes" for example) to display the day before the month. This is primarily used in articles about people from parts of the world where the day precedes the month in a date. Conversely the (unimplemented) parameter mf can be set for month first, currently the default behaviour.

Examples:

{{Birth date|1993|2|24|df=yes}} returns "24 February 1993(1993-02-24)"

{{Birth date and age|1993|2|24|df=yes}} returns "24 February 1993 (1993-02-24) (age 15)"

The templates also return the date, hidden by CSS, in the ISO 8601 format needed by hCard microformats. for example:

(<span class="bday">1993-02-24</span>)

See the microformats project for details.

Note: The template will appear broken when the parameters are left blank (as seen above).

See also

• Template:Death date and age – similar, for death date (and age at death)