The meridian 78° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.
78th meridian east
The 78th meridian east forms a great circle with the 102nd meridian west.
From Pole to Pole
editStarting at the North Pole and heading south to the South Pole, the 78th meridian east passes through: