The Vault is Slate’s history blog. Like us on Facebook, follow us on Twitter @slatevault, and find us on Tumblr. Find out more about what this space is all about here. Between the advent of railway ...

It is easy to check your local time, but the government says it may be harder to find a map with the correct times across the U.S. The inspector general for the U.S. Department of Transportation ...

Indiana will once again move to Standard Time with most of the country this weekend. Officially, at 2:00 a.m. Sunday, November 4, clocks will be turned back one hour to 1:00 a.m. The turning back of ...

Most U.S. residents will change their clocks again this weekend, and, according to an October 2024 survey, almost two-thirds of us don’t want to. But which system should we keep? If we never spring ...