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This template returns the number of full years and surplus days between two specified dates. If the second set of parameters is not included, it will return the number of full years and surplus days between a specified date and today's date. The two numbers are separated by a comma; the words "year" and "day" are plural when appropriate. The {{nts}} template is included in the year value, so that values produced by this template will work properly in sortable lists. See Wikipedia:Age calculation templates for more information on using this kind of template.

Syntax:
{{Age in years and days|year1|month1|day1|year2|month2|day2}} or
{{Age in years and days|year1|month1|day1}}
Examples:
{{Age in years and days|1989|07|23|2003|07|14}} returns "&000000000000001300000013 years, &0000000000000356000000356 days"
{{Age in years and days|1989|07|23}} returns "&000000000000003400000034 years, &0000000000000151000000151 days"
{{Age in years and days|1989|07|23|1990|07|24}} returns "&00000000000000010000001 year, &00000000000000010000001 day"
Note:
This template does not check for incorrect input:
{{Age in years and days|1980|07|14|1993|06|233}} returns "&000000000000001200000012 years, &0000000000000554000000554 days" (surplus days do not count as extra months)
{{Age in years and days|1980|07|14|1993|88|14}} returns "&000000000000001300000013 years, &00000000000024710000002,471 days" (surplus months do not count as extra years)

Note also that due to leap years the measure "years and days" fails to be fully additive. The following example is not an error, but each calculation uses a different definition of "year", either 365 days or 366:

{{Age in years and days|2007|02|27|2008|03|02}} returns "&00000000000000010000001 year, &00000000000000040000004 days"

but split up:

{{Age in years and days|2007|02|27|2007|03|02}} returns "&00000000000000000000000 years, &00000000000000030000003 days"
{{Age in years and days|2007|03|02|2008|03|02}} returns "&00000000000000010000001 year, &00000000000000000000000 days"

See also