Greenwich Look up Greenwich at Dictionary.com
town on the south bank of the Thames adjoining London, Old English Grenewic (964), literally "Green Harbor." The Royal Observatory there founded June 22, 1675, by King Charles II specifically to solve the problem of finding longitude while at sea.

In October 1884, at the behest of the President of the U.S.A., 41 delegates from 25 nations met in Washington, D.C., for the International Meridian Conference. They decided to adopt a single world meridian, passing through the principal Transit Instrument at the observatory at Greenwich, as the basis of calculation for all longitude and a worldwide 24-hour clock. The Greenwich motion passed 22-1; San Domingo voted against it; France and Brazil abstained. Greenwich Village quarter of New York City has been symbolic of "American bohemia" at least since 1903.