Question

when the local time is 6am at new orleans 90degrees W in the united states . what will be the local time at alexandria 30 degrees east in egypt​

Answer 1

Given:-

time in US=6 am

Angular distance between US and Egypt, $\theta=120^{0}$

To Find:-

time in Egypt

Explanation:-

Since, we know that there is a 4 minute time gap for every $1^{0}$ distance between two points on Earth.

$\Rightarrow \text{time gap between US and Egypt}=120\times4=480min=8hours\\\\\Rightarrow\text{time in Egypt}=6+8=14 hours=2pm$