Redigerer Mal:ISOWEEKDAY

<includeonly>{{{{{subst|}}}evalp|subst={{{subst|}}}|((( 700000005.2+2.6*({{{2}}}+12*({{{2}}}<3)))round 0)+{{{3}}} + ( 1.25* ({{{1}}}-({{{2}}}<3)) -.4 round 0)
+({{{1}}}>250)* (2 - ( ({{{1}}}-({{{2}}}<3)) /100 -.495 round 0) +( ({{{1}}}-({{{2}}}<3)) /400 -.499 round 0)) ) mod7 + 1|in ISOWEEKDAY}}</includeonly><noinclude>

<nowiki>{{subst:ISOWEEKDAY|2006|1|3|subst=subst:}}</nowiki> gives the wikitext 2.

This template computes the ISO [[w:ISO week date|weekday number]] (1=Monday, 7=Sunday) for a given Gregorian date.

Alternative weekday number systems are:
*1=Monday, .. , 6=Saturday, 0=Sunday, used by variable <nowiki>{{CURRENTDOW}}</nowiki> 
*0=Monday, .. , 5=Saturday, 6=Sunday, used by [[en:Template:WEEKDAY]] and [[fr:Modèle:WEEKDAY]]

Syntax<nowiki>:</nowiki>
: <code><nowiki>{{</nowiki>DOW|</code>''year''<code>|</code>''month''<code>|</code>''day''<code>}}</code>
* The ''year'' must be astronomical (''year''=1 in [[1|1 AD]] (''[[Anno Domini]]''), ''year''=0 in 1 BC, ''year''=-1 in 2 BC).
* The ''month'' is between 1 and 12 from january to december.
* The ''day'' is normally between 1 and 31.


==Eksempler==
*{{evd|ISOWEEKDAY|2005|12|31}}, og er ekvivalent med {{evd|ISOWEEKDAY|2006|1|0}}
*{{evd|ISOWEEKDAY|2006|1|1}}
*{{evd|ISOWEEKDAY|2006|1|2}}

===Eksempel der ISO-året går tre dager inn i det neste gregorianske året ===
*{{evd|ISOWEEKDAY|2009|12|31}}
*{{evd|ISOWEEKDAY|2010|1|1}}
*{{evd|ISOWEEKDAY|2010|1|2}}
*'''{{evd|ISOWEEKDAY|2010|1|3}}'''
*{{evd|ISOWEEKDAY|2010|1|4}}

===Eksempel der ISO-året går tre dager inn i det foregående gregorianske året ===
*{{evd|ISOWEEKDAY|2008|12|28}}
*'''{{evd|ISOWEEKDAY|2008|12|29}}'''
*{{evd|ISOWEEKDAY|2008|12|30}}
*{{evd|ISOWEEKDAY|2008|12|31}}
*{{evd|ISOWEEKDAY|2009|1|1}}

*<nowiki>{{CURRENTDOW}}</nowiki> gives {{CURRENTDOW}}
*integer MJD of Thursday of the week: {{#expr:( {{YMD2MJD|{{{1|{{CURRENTYEAR}}}}}|{{{2|{{CURRENTMONTH}}}}}|{{{3|{{CURRENTDAY}}}}}}} - {{DOW|{{{1|{{CURRENTYEAR}}}}}|{{{2|{{CURRENTMONTH}}}}}|{{{3|{{CURRENTDAY}}}}}}} ) + 4}}
*isoyear: {{MJD2Y|{{#expr:( {{YMD2MJD|{{{1|{{CURRENTYEAR}}}}}|{{{2|{{CURRENTMONTH}}}}}|{{{3|{{CURRENTDAY}}}}}}} - {{DOW|{{{1|{{CURRENTYEAR}}}}}|{{{2|{{CURRENTMONTH}}}}}|{{{3|{{CURRENTDAY}}}}}}} ) + 4}}}}
*integer MJD of Thursday of the week of 1 Jan of the same year: {{#expr:( {{YMD2MJD|{{{1|{{CURRENTYEAR}}}}}|1|1}} - {{DOW|{{{1|{{CURRENTYEAR}}}}}|1|1}} ) + 4}}
*week number: {{week}}

{{DOW name|{{CURRENTDOW}}}}


==Se også==
* Mal basert på [http://meta.wikimedia.org/wiki/Template:DOW MediaWiki:Template:DOW]
* [[Mal:ISOYEAR]]
* [[Mal:ISOWEEK]]
* [[Mal:ISOWEEKDATE]]

[[Kategori:Mediawikimaler|{{PAGENAME}}]]
[[Kategori:Datomaler|{{PAGENAME}}]]


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