That’s not what I said was arbitrary. The time we assign to it is arbitrary. It already is arbitrary, there isn’t any “correct” time of day to assign to it at a

That’s not what I said was arbitrary. The time we assign to it is arbitrary. It already is arbitrary, there isn’t any “correct” time of day to assign to it at any location. To the extent assigning a time at all serves a particular purpose, it’s a social purpose, and its assignment should be based on that.