Advertisements
Advertisements
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?
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.
APPEARS IN
संबंधित प्रश्न
A cricket match was to be held at Birmingham at 9 a.m. local time. The position of Birmingham is 5° W. Calculate the time the viewers have to tune their television in Sydney 151°E.
An important programme was to be broadcast from Mumbai at 7.30 p.m. This was heard by some Indian sailors near Ivory Coast in West Africa at 20°W longitude. What was the local time there?
Calculate the time at Durban (longitude 30°E) when the time is 7.00 a.m. at New York (75°W).
Calculate the longitude of a place where the local time is 6.00 a.m. when the time is 9.00 p.m. at New Delhi on longitude 77° E.
Why are letters E or W added to longitude values?
Give a reason for the following :
All parallel other than equator are not Great Circles.
The time difference between Greenwich and India is ______.
Russia extends over ______ time zones.
True or False.
The standard longitude for Indian time is the 64° longitude.
Two opposite meridians form a ______.
