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प्रश्न
How can you say that the use of ‘Local Time’ is very inconvenient nowadays in practical life?
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उत्तर
Use of Local time is very inconvenient nowadays in practical life because if we have to travel through many countries, it will be convenient to us to follow one particular standard time, according to which we can set our watches with respect to a particular country and its standard time with reference to Greenwich or Prime Meridian (0° Longitude) to bring about international uniformity. This is known as Greenwich Mean Time (GMT). The Indian Standard time is 5 hrs 30 minutes ahead of GMT.
संबंधित प्रश्न
What are the Great Circle Routes?
Give a reason the international date line deviates and goes zig-zag near some Islands in the Pacific ocean.
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?
What do you mean by meridians?
Give a reason for the following :
Local time is a theoretical reality, while Standard Time is a practical necessity.
Give a reason for the following :
The distance between two consecutive meridians is equal to about 111 kilometers only at the equator.
True or False.
The time at a place in the east of Greenwich is ahead of that in Greenwich.
Why do we have the concept of time zone?
The area found between 0° and 180° E lines of longitude is called.
The imaginary lines drawn vertically on Earth.
