Apparently you are talking about work shifts, but we are guessing. What kind of rotation are you talking about? What country and what industry?
midday
Well, honey, if you can't do the math, I'll spell it out for you. There are 720 minutes between midday and midnight. So put on your thinking cap and count 'em up!
Midday is 12 noon or 12 midday. It is not 12 p.m. as p.m. means 'after midday'; nor is it 12 a.m. as a.m. means 'before midday. Logically, midday cannot be before or after midday. Similarly, midnight is 12 midnight.
12:00 pm (or noon) is midday, while 12:00 am (or midnight) is the start of the new day.
The opposite of midnight is midday, or noon(local).
mid, as in MIDday and MIDnight
Today .
midday
no midday
midday or midnight
Midnight is the middle of the night, or 00:00 hours while midday, noon or 12:00 are antonyms - the middle of the day.
miday is 12pm midnight is 12am.