International Date Line

International Date Line

1. An imaginary line on the Earth's surface at 180° longitude, mostly through the Pacific Ocean, to the east of which the calendar date is one day earlier than to the west.
   • 2011 December 29, Rowan Callick, “What a difference a day makes in Samoa”, in The Australian‎:

     After 119 years to the east of the International Date Line, they are shifting to the west so they can be on the same calendar day as their main economic partners, Australia and New Zealand.

• Date Line