a definite time as shown by a timepiece; the hour:
Can you tell me the time of day?
2.
Informal. a minimum of attention:
He wouldn't even give her the time of day.
3.
the current time; the present:
The younger generation in this time of day encounters problems quite different from those of past generations.
Origin
1590-1600
Examples from the web for time of day
As with many golf courses, green fees vary according to time of year, day of the week and time of day.
We got back about an hour before sunset, which is always the prettiest time of day in the badlands.
He may be unsure where he is, what time of day it is, how long he has been or will be held.
Depends on how alert my brain is at this time of day.
Writing the same time of day, the same block of time, is a strategy that works for many people.
Also, your weight will vary depending on what time of day you weigh yourself.
And whenever the sun's brightness changes because of cloud cover or the time of day, the inverter needs to find the new optimum.
There are versions of this notion for any time of day.
The card is a city scene and is fashioned so the time of day in the picture is changeable.
They are not being given the time of day, because they're not doing things that fit the moment.
Idioms and Phrases with time of day
time of day
The hour shown on a clock; also, a stage in any activity or period. For example, What time of day is the repairman coming? or This is hardly the time of day to ask for another installment when he's just turned one in. [ Late 1500s ]