when i create a new module, in the file “magento-local\app\code\local\Altima\News\Block\Adminhtml\News\Edit\Tab”, for example with a datetime field :
when i choose a date value, the calendar return a date format “MM/DD/YY” while my local configuration is Europe (DD/MM/YY). I valid form and continue edit, the date is not good.
Click thumbnail to see full-size image