Time is often referred to as a human construct, but time zones are definitely man-made, and they have a direct connection to Charles Dowd of Saratoga Springs and the month of November, when standard time began in 1883, and 21 years later when time ran out for Charles.
Local time once was set by the noon mark. Noon was defined to be the time at which the sun was directly overhead. This meant, for every approximately 69 miles traveled west, the moment of noon differed by four minutes. For example, the clocks in Boston were set about three minutes ahead of clocks in Worcester, MA. [Read more…] about Saratoga’s Charles Dowd & The Origin of Eastern Standard Time