I have three definitive sources of time.
My work phone, which keeps me in synch company wide.
My computer, which keeps me in synch with all computer users.
And my cell phone, which keeps me in synch with all cell users.
At this moment:
Work phone: 8:34
Guess I'll go with the double A battery run clock on the wall, with the big hand on the seven and the little hand on the 8.
Just my thoughts,