Hi thanks to you both I have fixed my date time!
Final statement is:
endDate: CDate(Mid([DZ_ZPKT],7,2) & "/" & Mid([DZ_ZPKT],5,2) & "/" & Mid([DZ_ZPKT],1,4))+CDate(Mid([DZ_ZPKT],9,2) & ":" & Mid([DZ_ZPKT],11,2) & ":" & Mid([DZ_ZPKT],13,2))
It was the '+' that I didnt know about! :-) happy now!