I create Ext.PDate with date picker and date field for persian date in Ext 4.
this is good example for full support I18n in date
Update 30 Nov 2011
update for Ext 4.0.7 and fix some bug. now in github
thanks for creat persian date, but can i use this file (pdate.js) for gantt chart component vaer 1.2.2 extjs ??
thanks for answer my question