Eastern Standard Time
Eastern Standard Time was a timekeeping term used on Earth in the 20th and 21st century. Known by the abbreviation "EST", the zone ran through a latitude of North and South America, including the Eastern Seaboard of the United States of America. 

In 1969, the first manned moon mission, Apollo 11, was originally scheduled to be launched at 6 am, Eastern Standard Time on a Wednesday. ()

See also 
 Pacific Standard Time

External link
 
Earth locations
Time