Question

which imaginary lines on the earth's surface are helpful in calculating time​

Answer 1

Explanation:

Greenwich Mean Time (GMT)

It is calculated at the Allahabad Observatory in Uttar Pradesh.

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【ALTITUDES AND LATITUDES ARE THE LINES】

Answer 2

$\huge\bigstar\underline\mathfrak{Answer:-}$

Prime Meridian:

• This line marks zero degrees longitude, and is actually quite arbitrary. importantly, this line determines Universal Time, or Greenwich Mean Time.

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