Benjamin Franklin conceived of it. Sir Arthur Conan Doyle endorsed it. Winston Churchill campaigned for it. Kaiser Wilhelm first employed it. Woodrow Wilson and Franklin Roosevelt went to war with it, and the United States fought an energy crisis with it.

For several months every year, daylight saving time (DST) affects well over a billion people throughout the world. Yet most people switch their clocks backward and forward without ever understanding where this revolutionary idea came from or how, throughout its history, DST has led to surprisingly contentious clashes between numerous politicians, scientists, and interest groups in the United States and all across the globe.

–Taken from

David Prerau, the world’s foremost authority on DST tells us the curious and contentious story, below: