For the command line inclined, I stumbled upon a gem the other day http://superuser.com/a/483464 http://superuser.com/a/483464 describes a function sleep_unti

For the command line inclined, I stumbled upon a gem the other day http://superuser.com/a/483464 http://superuser.com/a/483464 describes a function sleep_until , which will wait until a certain time to execute following commands. It's great for ad-hoc delayed execution.