These days, you probably aren’t going to consult a sundial. But the ancient time-telling devices are all over DC, and we were curious to learn more about them. Photograph by Evy Mages.. Dedicated in ...

The sundial is a very early tool used to tell time. It is said that the earliest sundials were made in 1500 B.C., and variations were made in following centuries by Greeks, Chinese and Romans. But the ...