“Standardizing DST wouldn’t entail some massive change, nor would it overturn some profound legacy in American history,” Rubio and co-sponsor U.S. Sen. Cindy Hyde-Smith, R-Miss., wrote in a statement Friday. “Originally conceived in 1916 as a wartime effort to conserve fuel in Germany, daylight saving time actually has a varied history in our nation. It only lasted half the year for most of its implementation until 2005, when it was extended to the current eight months. Yes, we endure the hassle of changing our clocks to spend 16 weeks – 33 percent of the year – on Standard Time.”