time of day

noun5

1. •
   The time according to the clock.
2. •
   A loosely specified period of time, minutes or hours in duration, especially daytime, or point in time.

   • "At what time of day and year are the winds strongest?" / "Winter mornings, I think, or maybe at day’s end."
   • She would fold laundry at this time of day.
3. •
   The greeting appropriate to the time of day.
4. •
   (informal, old-fashioned) era: time; day.

   • that's how it was in that time of day [ = at that time, back in that day]
5. •
   (no longer used) The right thing; the ticket; that which is needed.

   • ‘Never mind me, Sir,’ replied Sam. ‘Lend him a hand, Mr. Winkle, sir. Steady, sir, steady! That’s the time o’ day!’ — 1836