• The hypothetical line on the surface of the earth fixed by international or general agreement as a boundary on one side of which the same day shall have a different name and date in the calendar from its name and date on the other side.
Found on
http://thinkexist.com/dictionary/meaning/date_line/
Date line The hypothetical line on the surface of the earth fixed by international or general agreement as a boundary on one side of which the same day shall have a different name and date in the calendar from its name and date on the other side. » Speaking generally, the date line coincides with the meridian 180° from Gree...
Found on
http://www.encyclo.co.uk/webster/D/8
The date line is the line that follows roughly the 180 degree meridian from Greenwich, and marks the point where according to international agreement the day begins. When a ship crosses this line eastwards it goes forward a day; westwards, it goes back a day.
Found on
http://www.probertencyclopaedia.com/browse/AD.HTM
No exact match found.
