*nix Tip of the Day: Unix Time
As the unix-savvy among you probably know, there is One True Way to tell the time: the number of seconds elapsed since midnight on January 1, 1970 +0000. It's an extremely convenient way for computers to represent the time, since it's just an integer that goes up. There's no parsing to be done, and arithmetic is just regular math. If you want a brain-numbingly-detailed overview, Wikipedia's article on unix time is, as usual, sufficient.
However, what I'd like to talk about here is converting back and forth between unix time and meatware time. I imagine that when your beard gets …read more