InfoPath Dev

I solved the problem by changing the local to united state then i changed the calneder to geogian.    

I created a form in infopath 2003 for staff vacations and it was working fine. Now we upgrade to infopath 2010 and when our employee try to use the calender control it show Hijri Calender, how can i change it to the normal calender (Jan - Feb - Mar).  When I uninstalled Infopath 2010 and install office 2003 everything become normal. Note: ...