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2013-07-25T11:42:44Z

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{{Documentation subpage}}

{{esoteric}}
=== Usage ===
This template calculates the birth year and current age based on the age as of a date. This is useful when a reference states only their age at the time of the reference's publication.

=== Syntax ===
<pre>
{{Birth based on age as of date|age|year|month|day}}
</pre>

The age, year, and day must be supplied as [[natural number]]s; month can be specified as a natural number as well as by name or abbreviation (e.g. "August" or "Aug"). The [[Gregorian calendar]] is assumed, with no special support provided for [[dual dating]] or the difference between [[Old Style and New Style dates]] .

=== Options ===
Suppress the age field:

<pre>
{{Birth based on age as of date|age|year|month|day|noage=1}}
</pre>

With the "noage=1" option, the month and day can be "1".

=== Examples===
For example, if a reference dated July 4, {{#expr: {{CURRENTYEAR}} - 1}} mentions that someone is 50 years old, that person's birth year and age can be rendered using
<nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|July|4}}

{| class="wikitable plainlinksneverexpand noprint" style="margin-top:0; width:100%; text-align:center;"
|-
! colspan="6" style="background:#dfd;"|
The following examples use a date which is exactly one year before:<br>
{{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}
|}

{| class=wikitable width=100%
|-
! width=70% | Template text
! width=30% | Result
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|{{#expr: {{CURRENTMONTH}}}}|{{CURRENTDAY}}}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|{{CURRENTMONTH}}|{{CURRENTDAY}}}}
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|{{CURRENTMONTHNAME}}|{{CURRENTDAY}}}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|{{CURRENTMONTH}}|{{CURRENTDAY}}}}
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|1|15}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|1|15}}
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|Nov|5}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|11|5}}
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|Nov|5|noage=1}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|Nov|5|noage=1}}
|-
| align=center | <tt><nowiki>{{Birth based on age as of date|50|</nowiki>{{#expr: {{CURRENTYEAR}} - 1}}|1|1|noage=1}}</tt>
| align=center | {{Birth based on age as of date|50|{{#expr: {{CURRENTYEAR}} - 1}}|1|1|noage=1}}
|-
|}

=== See also ===
* [[Wikipedia:Age calculation templates]]
{{Birth, death and age templates}}
<includeonly>


[[Category:Date mathematics templates|{{PAGENAME}}]]

</includeonly>

Sjabloon:Birth based on age as of date/doc - Bewerkingsoverzicht

Ahenket: 1 versie