Okay, everybody is going to laugh and say that they already knew this. And the fact that nobody has posted it before...
If you move your cursor to the top left corner, it tells you the time.
If you move your cursor to the bottom left corner, you can switch over to another quickbar to use more hotkey shortcuts. You can also do this by pressing the letter "y."
Yeah, yeah, I know. Everybody already knew that and they just never got around to posting it.