you can Print the date and time to the picture when you take the print of
it. It does not embed the date and time data into the image itself.
From the manual please read this
" Setting the date and time settings does not cause the date/time stamp to appear on images"
To print with date
This option will be available only for printing on card size paper
In the print order screen, select [Style] and press the SET button
You will get 3 options to set
a) Standard b) multiple
a) Borderless b) Bordered
a) On ( Adds the date to the print )
b) Off ( Prints without the date )
Select Date option as On and the date will be printed on the picture.
still you are having any doubts, please refer to user manual and Direct Print User Guide
which i am giving as links here.user manualDirect print user guide
Hope this helps you