Your camera has the date feature but you have to have it turned-on at the time you take the photos.
And you can only turn it on if your camera is set to photo size of 1600 x 1200.

That is explained in the Camera User Guide on pages 54 and 55.

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I did find a program that will print the Date (not the time) on the photo. It gets the date from the EXIF information that in embedded in all digital photos.

http://www.download.com/TimeToPhoto/3000-12511_4-10693403.html?tag=lst-0-2

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