Minute of Latitude or Longitude
1 nautical mile (1.852 kilometers or 1.150 statute miles)
Great Circle Routes
The great circle is the shortest path between two points on the Earth’s surface.
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Distance Calculation in Geography

Minute of Latitude or Longitude

1 nautical mile (1.852 kilometers or 1.150 statute miles)

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Great Circle Routes

Great Circle Routes

The great circle is the shortest path between two points on the Earth’s surface.

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Geographical Reference Points

Geographical Reference Points

Understanding Bangladesh’s geographical location involves knowledge about latitude, longitude, and time zones.

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Tropical Climate Influences

Tropic of Cancer

Bangladesh is situated south of this line, influencing its tropical climate.

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Latitude and Longitude

What does Latitude measure?

How far north or south a point is from the Equator.

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Bangladesh's Geographic Coordinates

What is the range of Bangladesh's Latitude?

20°34’ N to 26°38’ N.

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Time Zones and GMT

Time Difference Calculation

Each Degree of Longitude corresponds to 4 minutes of time.

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Geographical Coordinates

What is the Prime Meridian?

The 0° longitude line that runs through Greenwich, England, used as the reference point for measuring longitude.

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Distance Calculation in Geography

How far is one degree of Latitude?

Approximately 111 kilometers (69 statute miles or 60 nautical miles).

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Distance Calculation in Geography

Calculating Longitude Distance

Distance per degree of longitude = 111 × cos(latitude)

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Distance Calculation in Geography

Distance per Degree of Longitude

The distance covered by a degree of longitude is also 111 kilometers (69 statute miles or 60 nautical miles) at the Equator.

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Time Zones and GMT

Bangladesh Time (BST)

Bangladesh operates on a time zone that is 6 hours ahead of Greenwich Mean Time (GMT)

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Distance Calculation in Geography

Second of Latitude or Longitude

Approximately 30.7 meters

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Geographical Coordinates

What is the Equator?

An imaginary line around the middle of the Earth, equidistant from the poles, dividing the Earth into the Northern and Southern Hemispheres.

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Latitude and Longitude

What is Longitude?

Lines running from the North Pole to the South Pole, measuring how far east or west a point is from the Prime Meridian.

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Bangladesh's Geographic Coordinates

What is the range of Bangladesh's Longitude?

88°01’ E to 92°41’ E.

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International Date Line (IDL)

What is the International Date Line (IDL)?

An imaginary line approximately along the 180th meridian that marks the boundary between calendar days.

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Bangladesh's Geographic Coordinates

Geographic Positioning of Bangladesh

Bangladesh is situated between the latitudes of 20°34’ N and 26°38’ N in the Northern Hemisphere.

Study Smarter, Not Harder
Study Smarter, Not Harder