Get International Date Line Definition Background. The international date line (idl) is an imaginary line on earth's surface defining the boundary between one day and the next. The international date line (idl) is an imaginary — and arbitrary — line on earth's surface that runs from the north pole to the south pole.
Dateline, date line, international date line(noun). Means meridian (in red colour) depicted in the map in the schedule in this case, the trade date (t) refers to the hong kong calendar day because hong kong's time zone (utc+8 hours) is closer to the asian side of the international date line than new york's time zone. International date line is defined as an imaginary line which is drawn from north pole to south pole.
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.
When you cross the date line, you become. The international date line around 180° the international date line (idl) is a generally north south imaginary line on the surface of the earth, passing through the middle… 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 boundary between one calendar day and. For other uses, see dateline (disambiguation).