Exactly noon; midday (when the sun is at its highest).
A time, set out in advance, at which an important decision is to be made or a nemesis is to be confronted
The zenith or apex of one's life or of a certain activity or era.
The ninth hour after dawn (about 3 pm).
The notional first-quarter day of a Roman month, occurring on the 7th day of the four original 31-day months (March, May, Quintilis or July, and October) and on the 5th day of all other months.
The divine office appointed to the hour.