The meridian 80° 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.
The 80th meridian east forms a great circle with the 100th meridian west.
There is also an 80 Degrees East cafe in Nanganallur, Chennai, India named after this longitude.[1]
Starting at the North Pole and heading south to the South Pole, the 80th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Kara Sea | ||
| Krasnoyarsk Krai — Ushakov Island | ||
| Kara Sea | Passing just west of Dikson Island, Krasnoyarsk Krai, | |
| Krasnoyarsk Krai Yamalo-Nenets Autonomous Okrug — from Krasnoyarsk Krai — from Yamalo-Nenets Autonomous Okrug — from Khanty-Mansi Autonomous Okrug — from Tomsk Oblast — from Novosibirsk Oblast — from Altai Krai — from | ||
| Xinjiang – for about 18 km | ||
| Xinjiang | ||
| Aksai Chin | Disputed between and | |
| Tibet | ||
| Aksai Chin | Disputed between and – for about 4 km | |
| Uttarakhand Uttar Pradesh — from Madhya Pradesh — from Maharashtra — from Telangana — from Andhra Pradesh — from Tamil Nadu — from | ||
| Indian Ocean | Bay of Bengal | |
| Jaffna Peninsula | ||
| Indian Ocean | Palk Strait | |
| Indian Ocean | ||
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by | |