The U.S. tried permanent daylight saving time in the 1970s — then quickly rejected it

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However, America tried this before — and the country hated it. In the early 1970s, America was facing an energy crisis so the government tried an experiment. Congress passed a law to make daylight saving time permanent year round, but just for two years. The thinking was more sunlight in the evening would reduce the nation's energy consumption.

It didn't work, said David Prerau, one of the nation's foremost experts on the issue.