Short Video Lessons About Daylight Saving Time

I'll be going to bed soon, but before my head hits my pillow I will be moving my clock ahead one hour. Many of you will be doing the same because daylight saving time starts tomorrow. Here are four videos explaining the history of daylight saving time and why not everyone uses it.











And though it's not about daylight saving time, this TED-Ed lesson about the standardization of timezones is good.