every year during spring and fall millions of Americans either move their clocks an hour forward or an hour back but why do we do this in the first place in 2024 daylight saving time will begin on March 10th at 2:00 a.m. this is where we will Spring Forward by Senor clock's 1 hour ahead since there's typically more daylight in the evenings then daylight saving time will end on November 2nd at 2: a.m. so we'll fall back by setting our clock's 1 hour back in order to add more Daylight to our mornings so why do we do this while the concept was largely introduced to the public here in the US by Germany during World War I it was a way to conserve Fuel and Power by extending daylight hours the US actually abolished the ritual after the war but many states still practice it