Daylight Saving Time, or DST, was implemented during WWI to decrease energy utilization. While modern technology (specifically, AC units) makes the energy savings a wash, there are a lot of other benefits to the extended daytime hours.

While mornings are darker, evenings are lighter for longer. This leads to:

Increased exercise and outdoor activity Lower crime, as the amount of time people are out in the dark decreases Increased economic activity, as people are more likely to shop at night when it’s still light out Fewer traffic accidents, as it’s easier to drive in sunlight



Additionally, removing the transition between the different times would: