Explanation

Pakistan is longitude 74 degrees, 22′ is the standard meridian of Pakistan

Explanation

Chronometer is a Al highly accurate timepiece which is used to keep Greenwich meantime

کرونومیٹر ایک انتہائی درست ٹائم پیس ہے جو گرین وچ کو اس دوران رکھنے کے لیے استعمال کیا جاتا ہے۔

Explanation

The Greenwich Mean Time (GMT) is 5 hours behind of Pakistan Standard Time (PKT).

Explanation

Florida Strait is a strait located south-southeast of the North American mainland

It corresponds along most of its length to the 180th meridian of longitude but deviates eastward through the Bering Strait to avoid dividing Siberia and then deviates westward to include the Aleutian Islands with Alaska.

Explanation

Explanation

The prime meridian is a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England.

It was first established by Sir George Airy in 1851

Explanation

The local time of a place is known with reference to its Longitudinal position

Explanation

Explanation

The International Date Line is  180° longitude

Explanation

The earth turns through 360 degrees in 24 hours.

Therefore, the correct answer is One hour (1/24 of 360 degrees is 15 degrees, which represents the rotation in one hour).

The other options are incorrect.