Originally Posted by banjobama
Once the book is on your device, manually change the date under the settings menu. Sonys automatically sync the date and time when you connect them to a computer (at least the 300/600/900 Readers) so as long as you don't connect it, it will continue to keep the wrong date.
Interesting. From what I've googled you can't actually changed the clock back on the nook, but it sounds like I wouldn't need to as long as I don't hook up the nook to my computer, and turn off the wifi before the expiration date. Is this correct?