The language that needs to be in use.
Examples
German
<input id="timepicker" width="276" />
<script>
$('#timepicker').timepicker({
locale: 'de-de'
});
</script>
Bulgarian
<input id="timepicker" width="276" />
<script>
$('#timepicker').timepicker({
locale: 'bg-bg'
});
</script>
French
<input id="timepicker" width="276" />
<script>
$('#timepicker').timepicker({
locale: 'fr-fr'
});
</script>
Brazil
<input id="timepicker" width="276" />
<script>
$('#timepicker').timepicker({
locale: 'pt-br'
});
</script>
Russian
<input id="timepicker" width="276" />
<script>
$('#timepicker').timepicker({
locale: 'ru-ru'
});
</script>