It’s time to fall back again.The clock will strike 1 a.m. twice Sunday morning as daylight saving time once again comes to an end.Here’s what you need to know about daylight saving time and why the U.S. changes clocks twice a year.When does daylight saving time end?Daylight saving time began March 10 and ends Nov. 3.Unlike in the spring, when we lose an hour and the clocks skip the 2 o’clock hour entirely, we will gain an extra hour Sunday, with clocks jumping from 1:59 a.m. back to 1 a.m.The sun will also start setting earlier across the U.S. as the temperatures continue to cool down and we head into the late fall and winter months.Why is this happening?The practice, established by the Standard Time Act in 1918, according to the U.S. Astronomical Applications Department, is an effort to extend the daylight hours we have in the summertime by pushing off sunset an extra hour.Daylight saving time, a contested idea after it was first passed, was quickly repealed in 1919, becoming a local matter. It was re-enacted during the early days of World War II and was observed from 1942-1945, according to the department.After the war, the implementation of daylight saving time varied from state to state until the Uniform Time Act passed in 1966, which standardized the dates of daylight saving time but allowed for local exemptions if states or localities did not want to participate.According to the department, the standardized start and end dates have been changed throughout the years, but since 2007, daylight saving time has started on the second Sunday in March and ended on the first Sunday in November.How …
