How do I change the date taken of my Flickr photos?
That’s easy! To change the date taken of your photos, go to the photopage of the photo who’s date taken you want to change.
Next, open the “Actions” menu to the top left of your photo and select “Edit title, tags, and dates”.
On that page you can change several settings of your photo including the “Date taken on”:
About:Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone.