ˌInternational ˈDate Line BrE AmE noun [singular]
an imaginary line that goes from the ↑ North Pole to the ↑ South Pole , to the east of which the date is one day later than it is to the west
ˌInternational ˈDate Line BrE AmE noun [singular]
an imaginary line that goes from the ↑ North Pole to the ↑ South Pole , to the east of which the date is one day later than it is to the west
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012