answersLogoWhite

0

What gives us daytime and nighttime?

User Avatar

Anonymous

12y ago
Updated: 8/20/2019

Before clocks it was determined when you could tell the when a red string or thread was red under normal light conditions. when you could tell it was red in color, it was daytime and when you could no longer tell what color it was it was nightime. Ingenious!

User Avatar

Wiki User

12y ago

What else can I help you with?