How to get the start time of a long-running Linux process?

Question

Is it possible to get the start time of an old running process? It seems that ps will report the date (not the time) if it wasn\'t started today, and only the y

Answer 1

ls -ltrh /proc | grep YOUR-PID-HERE

For example, my Google Chrome's PID is 11583:

ls -l /proc | grep 11583
dr-xr-xr-x  7 adam       adam                     0 2011-04-20 16:34 11583