International Date Line International Date Line The International Date Line (IDL) is an imaginary line of demarcation on the surface of Earth that runs from the North Pole to the South Pole and demarcates the change of one calendar day to the next. It passes through the middle of the Pacific Ocean, roughly following the 180° line of longitude but deviating to pass around some territories and island groups. The IDL is roughly based on the meridian of 180° longitude, roughly down the middle of the Pacific Ocean, and halfway around the world from the Greenwich meridian. In many places, the IDL follows
Maine State Route 180 Maine State Route 180 State Route 180 (SR 180) is a state highway in the U.S. state of Maine traveling from U.S. Route 1A (US 1A) in Ellsworth to SR 9 near Eddington. SR 180 begins at an intersection with US 1A about northwest of downtown Ellsworth. It travels north along Wittum Road through a light industrial park before heading into a more wooded area paralleling the Union River on its west bank. About from here, it meets Mariaville Road, a former alignment of SR 180, and travels along the west shore of Graham Lake passing small houses along the