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 ...

North Carolina has observed Eastern Standard Time for nearly 80 years. But that didn’t stop the curious from wondering whether the state is one of the few that is in more than one time zone. On ...