adjust date format in title block

[oliebol]

how can I adjust the date format in inventor (10)


In my Title Border I inserted the variable <ENG APPROVED BY>

Whenever I set a date for approval (say today) it shows

month, day, year


How can i change it to year, month, day

Thanks already

Unigraphics NX4,NX3,NX2,R17
Inventor 10,9,8,7
Solid Edge 10,9,8
Solid Works 2000,98
Mechanical Desktop 4,3
Autocad 2004DX,2000,R14, R12
Teamcenter 9