Originally Posted by
dgwright99
It's very different - it is an arbitrary rule that decides that 12:00am is midnight rather than noon.
OTOH 6am vs 6pm is systematically evident, though that doesn't stop the occasional tautological "6am in the morning" (eg lyrics of Moonlight Shadow), of which criticism is entire reasonable.
I guess it all depends on ones schedule. One mans morning is another mans evening or night.
More approriately would be to use dawn, light, dusk, and darkness to explain it

In some cases morning can mean dawn per the dictionary however it also can mean the "beginning" of ones day