The language that needs to be in use.
Examples
German
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'de-de',
format: 'dd mmm yyyy'
});
</script>
Bulgarian
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'bg-bg',
format: 'dd mmm yyyy',
weekStartDay: 1
});
</script>
French
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'fr-fr',
format: 'dd mmm yyyy'
});
</script>
Brazil
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'pt-br',
format: 'dd mmm yyyy'
});
</script>
Russian
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'ru-ru',
format: 'dd mmm yyyy'
});
</script>
Spanish
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'es-es',
format: 'dd/mm/yyyy'
});
</script>
Italian
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'it-it',
format: 'dd/mm/yyyy'
});
</script>
Japanise
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'ja-jp',
format: 'dd mmmm yyyy'
});
</script>
Chinise_Simplified
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'zh-cn',
format: 'dd mmmm yyyy'
});
</script>
Chinise_Traditional
<input id="datepicker" width="276" />
<script>
$('#datepicker').datepicker({
locale: 'zh-tw',
format: 'dd mmmm yyyy'
});
</script>