Question

why local time is decided by noon time?

Answer 1

Local time is defined by the time zone offset from UTC. For example, in India the time zone (IST) is UTC+5:30. So if it’s 11:41 UTC, it will be 17:11 IST. Noon doesn’t come into the discussion, except possibly in your schoolbooks.

Answer 2

Because noon time is the same at any given longitude across the earth i. e. from the N. P TO S. P

Answer 3

Because noon time is the same at any given longitude across the earth i. e. from the N. P TO S. P

Answer 4

Because noon time is the same at any given longitude across the earth i. e. from the N. P TO S. P