inter date conversion with language support ??

Hello forums!!
Can anybody know a good class/functions that supports inter date conversion ie Y-m-d to m/d/y or any inter conversion with language support.
I have found a good one at
[url]http://www.php.net/manual/en/function.date.php#76438[/url] but it doesnt have language support.
Can anybody give suggestions/hints in modifying above function to have
language support ie if 02/01/2007 (d/m/Y) => F-D-Y in dutch the result would be : Januari-Maandag-2007.
Thanks in advance to all fo you.

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