Please describe the problem:
on locale zh, jp and ko, the heading date of the calendar print preview is not
localized.

Steps to reproduce:
1) Launch the evolution on zh_CN.UTF-8 
2) switch to 'Calendar' pane
3) choose the menu 'view', then select 'week' or 'work week' view.
3) choose File->print preview.

Actual results:
   The format of heading date is not localized as aisan format. it should be
2006 year, x Month x Day. but now, it's x Day x Month, 2006. 
   please see the screenshot.

Expected results:
the date format should be localized as aisa locale.


Does this happen every time?
yes

Other information: