Don't look at the Calendar, look at those Sailor Saturn Solar System, where the Earth is where, there is a Sun.

What is 365 day means?

24 hours means?

When I say 3 oclock in the afternoon, is the day time, or night time? 

When I say 20:00, what does that means? Day time, night time?

You are on the ground, you seeing the sun from one side of the horizon, landing on the other side of horizon, in this scientific module you make, whom revolve around whom? Are you sure?