Lesson 3/33 min

Tropic of Cancer, 90°E and the extent

Two key lines

LineKindAlong which districts
Tropic of Cancer (23.5°N)parallel, horizontal; across the middle of the countryCumilla and Chuadanga
90°E longitudevertical; 90° east of GreenwichSherpur and Barguna (Zubair)

Watch out: Where do the Tropic of Cancer and 90°E meet? Khandokar says Bhanga in Faridpur; Zubair says Dhaka. Other sources also point to Bhanga in Faridpur, so remember Bhanga (Faridpur).

Position and extent

  • The 90°E line crosses the country; Bangladesh lies about 90° east of Greenwich
  • In the eastern hemisphere (east of the prime meridian) and northern hemisphere (north of the equator) (Zubair)
  • Extent per Banglapedia: 20°34′ to 26°38′ N and 88°01′ to 92°41′ E (not printed in the two books)

Did you know?: Banglapedia gives the maximum spread as about 440 km east-west and 760 km north-south.

Check yourself

Along which two districts does the Tropic of Cancer run?

At a glance

  1. 1

    The Tropic of Cancer (23.5°N) runs along Cumilla and Chuadanga, across the middle of the country.

  2. 2

    The 90°E meridian is vertical, along Sherpur and Barguna (Zubair).

  3. 3

    The two lines meet at Bhanga in Faridpur.

  4. 4

    Extent: 20°34′-26°38′ N, 88°01′-92°41′ E (Banglapedia).

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