Isn't thinking of day X as the range [midnight of X, X+1 midnight) isomoprhic to associating it with a point for X, at least for purposes of considering coverage (e.g. both approaches work to show that there are 7 days that cover a week).
> I think TheJosh mixed things up when trying to explain it (durations vs inclusive/exclusive)
Isn't thinking of day X as the range [midnight of X, X+1 midnight) isomoprhic to associating it with a point for X, at least for purposes of considering coverage (e.g. both approaches work to show that there are 7 days that cover a week).