I've noticed there's Dawn, Morning, Afternoon, Evening, Dusk, & Night Races. Then there's those Races that don't have a Time of Day set. I like to call those "Day" Races.

My Question is, What's the difference between the races with no Time of Day, just Daylight, and Afternoon Races? Daytime is usually referred when talking about the Afternoon. So why label Races as Afternoon and not label anything on others that's clearly and Afternoon like Time.

So, what's the difference between the 2