Yep your command broke my nook, I had hard time getting back to work

That's why I'm posting the correct one, it's quite easy to use, you just need to get the unix epoch which you could find easily on any search engine.
Easiest way would be to enter the following search "current time to Unix time" in wolframalpha.com.
With this easy one argument you cannot be wrong. There is still the issue of timezone, I don't currently know how to change it.