Before Nov. 18, 1883, more than 100 local times existed across North America. U.S. and Canadian railroads adopted standard ...

How can time feel so obvious, so woven into the fabric of our experience and yet, for thousands of years, remain the bane of ...

It's that time of year again: Many Americans will have to reset their clocks and circadian rhythms when daylight saving time ends on Sunday. That means, in most states, lighter mornings and darker ...

So far, 19 states have passed laws to make daylight saving time permanent. But Congress has to pass its own bill for those to ...