81st meridian east

The meridian 81° 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 81st meridian east forms a great circle with the 99th meridian west.

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 81st meridian east passes through:


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! scope="col" width="120" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Kara Sea ! scope="row" | 🇷🇺 ! scope="row" style="background:#b0e0e6;" | Yenisei Gulf ! scope="row" | 🇷🇺 ! scope="row" | 🇰🇿 ! scope="row" | ! scope="row" | 🇮🇳 ! scope="row" | 🇳🇵 ! scope="row" | 🇮🇳 ! scope="row" style="background:#b0e0e6;" | Indian Ocean ! scope="row" | 🇱🇰 ! scope="row" style="background:#b0e0e6;" | Indian Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica
 * style="background:#b0e0e6;" | 90°N, 81°W
 * style="background:#b0e0e6;" | 90°N, 81°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 81.11667°N, 81°W
 * style="background:#b0e0e6;" | 81.11667°N, 81°W
 * style="background:#b0e0e6;" |
 * 73.56667°N, 81°W
 * 73.56667°N, 81°W
 * Krasnoyarsk Krai
 * style="background:#b0e0e6;" | 72.4°N, 81°W
 * style="background:#b0e0e6;" | 72.4°N, 81°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * 71.93333°N, 81°W
 * Krasnoyarsk Krai Yamalo-Nenets Autonomous Okrug — from 69.2°N, 81°W Khanty-Mansi Autonomous Okrug — from 63.15°N, 81°W Tomsk Oblast — from 60.76667°N, 81°W Novosibirsk Oblast — from 56.51667°N, 81°W Altai Krai — from 54.28333°N, 81°W
 * 51.2°N, 81°W
 * 51.2°N, 81°W
 * East Kazakhstan, Almaty Region
 * -valign="top"
 * 45.16667°N, 81°W
 * Xinjiang Tibet — from 35.31667°N, 81°W
 * 30.26667°N, 81°W
 * 30.26667°N, 81°W
 * Uttarakhand — for about 7 km
 * 30.2°N, 81°W
 * 30.2°N, 81°W
 * Sudurpashchim Pradesh
 * -valign="top"
 * 28.45°N, 81°W
 * Uttar Pradesh, passing just east of Lucknow at 26.85°N, 80.95°W Madhya Pradesh — from 24.93333°N, 81°W Chhattisgarh — from 22.11667°N, 81°W Telangana — from 17.88333°N, 81°W Andhra Pradesh — from 17.18333°N, 81°W
 * style="background:#b0e0e6;" | 15.73333°N, 81°W
 * style="background:#b0e0e6;" | 15.73333°N, 81°W
 * style="background:#b0e0e6;" | Bay of Bengal
 * 8.93333°N, 81°W
 * 8.93333°N, 81°W
 * Eastern Province, North Central Province, Uva, Southern Province
 * style="background:#b0e0e6;" | 6.1°N, 81°W
 * style="background:#b0e0e6;" | 6.1°N, 81°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | -60°N, 81°W
 * style="background:#b0e0e6;" | -60°N, 81°W
 * style="background:#b0e0e6;" |
 * -67.86667°N, 81°W
 * -67.86667°N, 81°W
 * Australian Antarctic Territory, claimed by 🇦🇺
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