Permanent daylight savings time lasted only a few weeks longer than Nixon himself. Trying to make DST permanent todayThe idea of permanent DST never seems to have occurred to Wiliam Willett, but it certainly occurred to others. As with seasonal DST, year-round daylight saving time was first implemented in wartime—as a result of Japan’s attack on Pearl Harbor in December 1941. No, permanent daylight saving time wouldn’t be better for youBut would permanent DST actually make any difference? The effects of permanent daylight saving timeBack in the U.S., however, it seems like Nixon’s 1974 experiment could provide valuable real-world data for researchers.