How a true date/time value is stored in Access is totally different than how
it appears. The appearance is managed by the formatting you apply, and by
your PC's international date/time settings.
For more information, see Allen Browne's "International Dates in Access" at http://allenbrowne.com/ser-36.html or what I wrote in my September 2003
Access Answers column for Pinnacle Publication's "Smart Access" newsletter.
(The column and accompanying database can be downloaded for free at http://www.accessmvp.com/djsteele/SmartAccess.html)