Abstract

Due to the era limitation of acknowledgement, there are some contradictory items in the existing longitude system of the Earth since the prime meridian and the international date line are marked artificially to satisfy the need of seaborne trade in1880s. Based on the evolution theory of the ancient plates distribution and the oceans, the longitude system of the Earth could be updated to the plus version smoothly by exchanging the marking location of the prime meridian and the international date line along the anticlockwise rotating of the Earth. Thus, it would get even more reasonable and harmonious with nature and human activities on the Earth. Such as it could be found the solid support in the updating plus version of longitude system of the Earth to explain why the eastern and western Pacific Oceans should belong to the Eastern and Western Hemispheres respectively.

Keywords:Prime Meridian (PM); International Date Line (IDL); Longitude system; Western hemisphere; Eastern hemisphere; Unique supercontinent