Question

what is standard time why it has been used​

Answer 1

Answer:

Standard time is the time used all over the world and is been used for the common time of the whole world

Explanation:

HOPE IT HELPS

MARK AS BRAINLIEST

Answer 2

Answer:

Standard Time, the time of a region or country that is established by law or general usage as civil time. The concept was adopted in the late 19th century in an attempt to end the confusion that was caused by each community's use of its own solar time.