View source for Template:Date serial/doc

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This template returns the date serial in year for a date specified by month number and day of month. By default the year is considered non leap, but this may be overridden.

; Syntax<nowiki>:</nowiki>
: <kbd><nowiki>{{</nowiki>Date serial<nowiki>|</nowiki></kbd>''month number''<kbd><nowiki>|</nowiki></kbd>''day of month''<kbd><nowiki>}}</nowiki></kbd>
: <kbd><nowiki>{{</nowiki>Date serial<nowiki>|</nowiki></kbd>''month number''<kbd><nowiki>|</nowiki></kbd>''day of month''<kbd><nowiki>|</nowiki></kbd>''year''<kbd><nowiki>}}</nowiki></kbd>
: <kbd><nowiki>{{</nowiki>Date serial<nowiki>|</nowiki></kbd>''month number''<kbd><nowiki>|</nowiki></kbd>''day of month''<kbd><nowiki>|</nowiki>leapyear=</kbd>''is leap''<kbd><nowiki>}}</nowiki></kbd>
* The ''year'' parameter is optional, if specified, the named ''leapyear'' parameter is ignored.
* The named ''leapyear'' parameter (optional, default value 0, unless ''year'' is specified) is non-zero to get the proper date serial on dates starting at March 1st on leap years.

== Examples ==
* <code><nowiki>{{date serial|{{CURRENTMONTH}}|{{CURRENTDAY}}|leapyear={{isLeapYear}}}}</nowiki></code> &rarr; {{date serial|{{CURRENTMONTH}}|{{CURRENTDAY}}|leapyear={{isLeapYear}}}} 
* <code><nowiki>{{date serial|1|1}}</nowiki></code> &rarr; {{date serial|1|1}} 
* <code><nowiki>{{date serial|1|1|2000}}</nowiki></code> &rarr; {{date serial|1|1|2000}} 
* <code><nowiki>{{date serial|1|1|leapyear=1}}</nowiki></code> &rarr; {{date serial|1|1|leapyear=1}} 
* <code><nowiki>{{date serial|2|28}}</nowiki></code> &rarr; {{date serial|2|28}} 
* <code><nowiki>{{date serial|3|1}}</nowiki></code> &rarr; {{date serial|3|1}} 
* <code><nowiki>{{date serial|3|1|leapyear=0}}</nowiki></code> &rarr; {{date serial|3|1|leapyear=0}} 
* <code><nowiki>{{date serial|3|1|1999}}</nowiki></code> &rarr; {{date serial|3|1|1999}} 
* <code><nowiki>{{date serial|3|1|leapyear=1}}</nowiki></code> &rarr; {{date serial|3|1|leapyear=1}} 
* <code><nowiki>{{date serial|3|1|2000}}</nowiki></code> &rarr; {{date serial|3|1|2000}} 
* <code><nowiki>{{date serial|3|26}}</nowiki></code> &rarr; {{date serial|3|26}} 
* <code><nowiki>{{date serial|5|1}}</nowiki></code> &rarr; {{date serial|5|1}} 
* <code><nowiki>{{date serial|12|31}}</nowiki></code> &rarr; {{date serial|12|31}} 
* <code><nowiki>{{date serial|12|31|leapyear=1}}</nowiki></code> &rarr; {{date serial|12|31|leapyear=1}} 
* <code><nowiki>{{date serial|12|31|1999}}</nowiki></code> &rarr; {{date serial|12|31|1999}} 
* <code><nowiki>{{date serial|12|31|2000}}</nowiki></code> &rarr; {{date serial|12|31|2000}} 

Days since September 1st:
* <code><nowiki>{{#expr: {{date serial|{{CURRENTMONTH}}|{{CURRENTDAY}}}} - {{date serial|9|1}} }}</nowiki></code> &rarr; {{#expr: {{date serial|{{CURRENTMONTH}}|{{CURRENTDAY}}}} - {{date serial|9|1}} }}

First Sunday in November is November {{Weekday in month|{{CURRENTYEAR}}|11|0|1}}, {{CURRENTYEAR}}
* <code><nowiki>{{date serial|11|{{Weekday in month|{{CURRENTYEAR}}|11|0|1}} }}</nowiki></code> &rarr; {{date serial|11|{{Weekday in month|{{CURRENTYEAR}}|11|0|1}} }}

==Self test==

{| class="wikitable"
|-
! Test !! Result
|-
| <code><nowiki>{{date serial|1|13}}</nowiki></code> || {{#ifeq:{{date serial|1|13}}|13|Pass|Fail}}
|-
| <code><nowiki>{{date serial|2|12}}</nowiki></code> || {{#ifeq:{{date serial|2|12}}|43|Pass|Fail}}
|-
| <code><nowiki>{{date serial|3|16}}</nowiki></code> || {{#ifeq:{{date serial|3|16}}|75|Pass|Fail}}
|-
| <code><nowiki>{{date serial|4|1}}</nowiki></code> || {{#ifeq:{{date serial|4|1}}|91|Pass|Fail}}
|-
| <code><nowiki>{{date serial|4|2|leapyear=1}}</nowiki></code> || {{#ifeq:{{date serial|4|1|leapyear=1}}|92|Pass|Fail}}
|}

==See also==
* {{tl|Gregorian serial date}} for the number of days since 0 A.D accounting for leap years.<br>
* {{tl|Age in days}} for the number of days between any two dates.

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[[Category:Date mathematics templates]]

[[es:Plantilla:Date serial]]
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