Question

3. Why do most countries have a standard time?

Answer 1

Answer:

Reason;

Time zones of any country depends on longitude. Some countries are so big that more than one longitude passes through the country.It is necessary for a standard time by which anyone could calculate the time of any places of that country that's why most countries have a standard time.

Answer 2

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 time.

Explanation:

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