Time zone set to Pacific while in Eastern, settings grayed out Every tutorial says go to Date and Time select Time Zone. That is all I can do as everything is grayed out, both checkbox and map. I only use eastern time zone daylight savings time. OSX=Sierra 10.12 

I just bought a second hand Macbook Pro, and I'm learning to use the OS again since I haven't use a Mac in 10 years. Quite discouraged when I couldn't even adjust the time.
Your Mac probably is locked to the Time and Date setting because of the domain it's connected to. To change that you may need administrative access to your Mac. Do you happen to have administrative access? Is your Mac connected to a work or school domain? Was it ever on one?