Daylight saving time year-round has been done before: Here’s why it failed in the past

The United States previously implemented daylight saving time on a year-round basis during the 1970s. This specific historical experiment was designed to test the viability of permanent daylight saving time across the country. However, the initiative did not achieve the intended results and ultimately failed to go as planned. The sources highlight that this past attempt serves as a primary example of why year-round daylight saving time has been considered unsuccessful in the U.S.