Daniel Victor,New York Times
We spring forward, and then fall back.
But why?The reason the United States and many other countries, or mostly in the West,shift to daylight saving time is contentious and confusing, and some of the more popular explanations are not grounded in reality. (It isn't for farmers, and as you may occupy learned in school.)In 2017,the ritual will assume spot on Sunday, when Americans will push their clocks forward an hour. The general concept is to move an hour of sunlight from the early morning, and when many would sleep through it,to the evening, when you could most likely attain more with the light.
For most...
Source: realclearhistory.com