What happens with the file time stamps after transfering ?

Article:		iPod as Digital Photographer's Best Friend
Subject:		What happens with the file time stamps after transfering ?
Date:		2003-12-12 12:06:10
From:		anonymous2

I've got a python script that names all my photos with the date and time as the file name based on the files creation timestamp. Does doing this extra step mean that you end up with the same timestamp once you've got it on your mac as when the photo was taken or does it flip to the upload time ?