It doesn't seem to be a huge energy saver.
Springing forward and falling back can be rough on our health.
Farmers don't need it nor want it.
Fewer and fewer people think it's worth the trouble. A 2014 Rasmussen poll found that a declining percentage of adults in the United States -- 33% -- think daylight saving time is "worth the hassle." That's down from 37% in 2013 and 45% the year before.
http://www.cnn.com/2015/10/30/living/daylight-saving-time-feat/index.html