Sunlight and the Seasons: What time is it?

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Sunlight and the Seasons
Telling Time with Sundials

Imagine how ancient people, who had no clocks, kept track of time! Early on, they surely noticed that light was followed by darkness, which was followed by light, and so on. Later, humans noticed that the length of shadows (cast by trees and other objects) changed during the day.
Try This

Photo: Don@Damoc

Mystery Class Home
Sunlight and the Seasons Telling Time with Sundials
Imagine how ancient people, who had no clocks, kept track of time! Early on, they surely noticed that light was followed by darkness, which was followed by light, and so on. Later, humans noticed that the length of shadows (cast by trees and other objects) changed during the day.	Try This
Photo: Don@Damoc