What Is Daylight Savings Time and Why Do We Observe It?

CGP Grey, the clever, educational movie maker that brought us What are Continents and How Many are There? video is back with an seasonal piece on Daylight Savings Time.

How did it start? Why do we do it? Does it make sense to maintain such a complicated system in the era of global communication and business?

Watch the video and find out:  

View the Script at CGP Grey’s blog