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प्रश्न
What is the relation between longitude and time?
Or
“There is a difference of 4 minutes of time for one degree of longitude”. Why?
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उत्तर
There is a close relation between longitude and time. The Earth makes one complete rotation of 360 degrees in 24 hours. It passes through 15 degrees is one hour or one degree in four minutes. Thus, there is a difference of 4 minutes of time for one degree of longitude. As the Earth moves from West to East, the places East of Greenwich gain time whereas the places West of Greenwich loose time.
संबंधित प्रश्न
Give a reason the greenwich time is called Greenwich Mean Time.
What is the “Prime Meridian”?
What is the difference between Prime Meridian and other meridians of longitude?
Give a reason for the following :
Local time is a theoretical reality, while Standard Time is a practical necessity.
Fill in the blanks.
The Standard Meridian of India is ____________________.
Fill in the blanks.
The distance between the longitudes decreases towards___________.
The time difference between Greenwich and India is ______.
What does the time ‘12 noon’ signify at any place?
What is known as Eastern Hemisphere?
Write a note on Longitudes.
