The meridian 150° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, Australasia, the Southern Ocean, and Antarctica to the South Pole.
The 150th meridian east forms a great circle with the 30th meridian west.
This is the exact middle of the World Time Zone, where the sun rises at approximately 6am and sets at 6pm every equinox.
Starting at the North Pole and heading south to the South Pole, the 150th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| East Siberian Sea | ||
| Sakha Republic — New Siberia Island | ||
| East Siberian Sea | ||
| Sakha Republic Magadan Oblast — from | ||
| Sea of Okhotsk | ||
| Sakhalin Oblast — island of Urup, Kuril Islands | ||
| Pacific Ocean | ||
| Namonuito Atoll | ||
| Pacific Ocean | ||
| Emirau Island | ||
| Pacific Ocean | Bismarck Sea | |
| New Hanover Island | ||
| Pacific Ocean | Bismarck Sea | |
| Island of New Britain | ||
| Solomon Sea | ||
| Island of New Guinea | ||
| Solomon Sea | Goodenough Bay | |
| Island of New Guinea | ||
| Pacific Ocean | Coral Sea — passing just east of Willis Island in the Coral Sea Islands Territory (at) | |
| Queensland New South Wales — from, passing through Marulan (at) | ||
| Pacific Ocean | ||
| New South Wales — Green Cape | ||
| Pacific Ocean | ||
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by | |