Template:POTY2012/pt

 Date and time format: see mw:Help:Extension:ParserFunctions#.23time
 An example of a custom format is at Template:POTY2012/pt or Template:POTY2012/ja
 You can replace the whole {{#time: r|{{POTY2011/date}}|en}} 
 with {{ISOdate|{{POTY2011/date}}}}, if this is sufficient for your purposes