an imaginary north-south line through the Pacific Ocean, adopted in 1884, to the east of which the date is a day earlier than it is to the west. It lies chiefly along the meridian furthest from Greenwich, England (i.e., longitude 180°), with diversions to pass around some island groups
an imaginary north-south line through the Pacific Ocean, adopted in 1884, to the east of which the date is a day earlier than it is to the west. It lies chiefly along the meridian furthest from Greenwich, England (i.e., longitude 180°), with diversions to pass around some island groups