Template:Age in years and days nts

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This template returns the number of full years and surplus days between two specified dates. If only one date is entered, the template returns the number of full years and surplus days between the specified date and today's date.

A hidden sort key is included so values produced by this template will work properly in sortable tables. The sort key is calculated from the number of days between the given dates, and is compatible with {{number table sorting}}.

This is temporary documentation resulting from Template talk:Age in years and days#Google problems which shows problems when {{age in years and days}} outputs a hidden sort key. It is proposed that {{age in years and days}} will not output a hidden sort key, so {{age in years and days nts}} is needed for when a sort key is wanted.

Usage

For convenience, the redirect {{ ayd}} can be used. Each date can be entered in a single parameter, or each date can be entered as three parameters (year, month, day).

• {{ayd|15 May 2010}} → 14 years, 222 days
• {{ayd|12 Aug 2003|24 Sep 2011}} → 8 years, 43 days
• {{ayd|1989|7|23}} → 35 years, 153 days
• {{ayd|1989|7|23|2003|7|24}} → 14 years, 1 day
• {{ayd|2007|03|02|2008|03|02}} → 1 year, 0 days

An error is shown if an entered date is not valid (1900 was not a leap year).

• {{ayd|31 January 1892|29 February 1900}} →

There are a number of templates that you can use to set out a person's birth date or birth year, current age, death date or death year, and age at death. This is especially useful in infoboxes. Using these templates rather than simply inserting dates into articles allow hidden metadata about dates to be put into articles. Web browsers and other types of software can look up the metadata and use them for certain types of displays or searches.

The year, month and day of birth and death dates must be typed in numbers. If a number is smaller than ten, you do not have to type a zero before it (for example, you can type "7" instead of "07").

All the templates

What you should type	Example	What you will see
{{Birth date|[year of birth]|[month of birth]|[day of birth]}}	{{Birth date|1965|8|9}}	(1965-08-09)August 9, 1965
{{Birth date and age|[year of birth]|[month of birth]|[day of birth]}}	{{Birth date and age|1965|8|9}}	(1965-08-09) August 9, 1965
{{Birth year and age|[year of birth]|[optional month of birth, if known]}}	{{Birth year and age|1965}}	1965 (age 58–59)
	{{Birth year and age|1965|8}}	August 1965 (age 59)
{{Death date|[year of death]|[month of death]|[day of death]}}	{{Death date|2005|12|25}}	December 25, 2005
{{Death date and age|[year of death]|[month of death]|[day of death]|[year of birth]|[month of birth]|[day of birth]}}	{{Death date and age|2005|12|25|1965|8|9}}	December 25, 2005(2005-12-25) (aged 40)
{{Death year and age|[year of death]|[year of birth]|[optional month of death, if known]}}	{{Death year and age|2005|1965}}	2005 (aged 39–40)
	{{Death year and age|2005|1965|12}}	December 2005 (aged 39–40)

Notes

{{Birth date and age}} and {{Birth year and age}}

In {{Birth date and age}} and {{Birth year and age}}, the person's age is calculated based on the current date.

{{Birth year and age}} and {{Death year and age}}

The templates {{Birth year and age}} and {{Death year and age}} show a person's year of birth or death and his or her approximate (rough) age. The templates are useful when only the year of a person's birth and/or death are known, or if you do not want to state a person's full dates of birth and death for privacy reasons.

The person's age is estimated in the following way:

• {{Birth year and age}} – let us assume:

1. that the person in question was born some time in 1969; and
2. that the present date is 23 December 2024.

If the person was born before 23 December 1969 then he will be 54 years old on 23 December 2024 as he has not had his 55th birthday yet. On the other hand, if he was born exactly on or before 23 December 1969, then he will be 55 years old.

Therefore, the template {{Birth year and age|1969}}

displays his birth year and age as: 1969 (age 54–55)

• {{Death year and age}} – let us assume:

1. that the person in question was born some time in 1973; and
2. that she died some time in 2023.

We can think of two extremes: (1) that the person was born on 31 December 1973 and died on 1 January 2023, in which case she would have been 49 years old at the time of her death as she did not achieve her 50th birthday on 31 December 2023; and (2) that she was born on 1 January 1973 and died on 31 December 2023, in which case she would have been 50 years old at the time of her death as she had her 50th birthday on 1 January 2023.

Therefore, the template {{Death year and age|2023|1973}}

shows her death year and age as: 2023 (aged 49–50)

Templates allowing day to be shown before month

The templates in the table below take an optional parameter "df" (which stands for "date first") – you can choose whether to use it or not. If "df=yes", then the day of the date is shown before the month. This is for articles about people from parts of the world where the day usually comes before the month in a date.

What you should type	Example	What you will see
{{Birth date|[year of birth]|[month of birth]|[day of birth]|df=yes}}	{{Birth date|1965|8|9|df=yes}}	(1965-08-09)9 August 1965
{{Birth date and age|[year of birth]|[month of birth]|[day of birth]|df=yes}}	{{Birth date and age|1965|8|9|df=yes}}	(1965-08-09) 9 August 1965
{{Death date|[year of death]|[month of death]|[day of death]|df=yes}}	{{Death date|2005|12|25|df=yes}}	25 December 2005
{{Death date and age|[year of death]|[month of death]|[day of death]|[year of birth]|[month of birth]|[day of birth]|df=yes}}	{{Death date and age|2005|12|25|1965|8|9|df=yes}}	25 December 2005(2005-12-25) (aged 40)