Thorgrim-Ironfist Hmmm. Night. Hmmm blog

What is realy the consept of night? is it when its dark outside? is it dertemend by the clock? Why do we have "Night" and "Day"?? wasent it enough with Light and Darknes? Hmmmm. I have growen up in place in Norway where its always day in the summer and always night in the winter...... How do you determen when its "night" and when its only dark outside???

HMMMMM...