Why do we need a standard meridian in India? Write any three points.
Answers
Answer:
The time of a place depends on the longitude that passes through it. Therefore, the standard time for each country is usually taken as the time of the central meridian that passes through it. ... Thus, we need a standard meridian for the country. In India 82 ½ °E longitude determines the standard
Hence, it is necessary to adopt the local time of some central meridian of a country as the standard time for the country.
The longitude of 82½° E (82° 30'E) is considered as the standard meridian.
Hence, time along the Standard Meridian of India (82°30'E) passing through Mirzapur (in Uttar Pradesh) is taken as the standard time for the whole country. The latitudinal extent influences the duration of day and night, as one moves from south to north. Why 82°30'E has been selected as the Standard Meridian of India