“The United States roughly covers 40 degrees of longitude from the west coast to the east coast so there are three time zones (2.67 actually).”
Check your globe The continental US covers around 60 degrees so there are 4 time zones- eastern, central, mountain and Pacific.
Two time zones? Some things are like they are for scientific reasons.
Well if you include Nova Scotia ....
Beside the point. All this extra daylight saving time is adding to globul warming what with the sun being out an extra hour plus all the BBQ’s that the extra daylight allows.