Why does my CWM think the year is 1970? Can I change it? Back on my Galaxy Nexus, the date was right.
It's a Qualcomm issue. Philz Recovery has rectified it. I very much prefer Philz to stock CWM anyways since it allows you to save your nandroids to the correct sdcard/0 folder. That's just one of the many benefits. You should give it a shot.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?