Dates in Sharepoint site vs. Windows Explorer

Everyone:

I'm new to the board.

In using VBA 6.5, I am trying to get the last modified date of a .xls file on a Sharepoint site. In the sharepoint site, I columns that show Date Created and Date Modified. For instance, the first will be 6/1/09. The second will be 7/13/09. However, when I look at the same site through Windows explorer, I get a different date under the date modified column, say 6/16/09. Any reason why the date modified dates don't agree?

In my code, I use the filedatetime(filename). However, this returns the date created. Can anyone provide help?

Thanks.

I've posted a similar question here:

http://www.mrexcel.com/forum/showthread.php?t=402292