Question

The local time of town a , located at longitude 70 degrees east and latitude 45 degrees north is 7:46pm calculate the longitude of town b on the same latitude when local time is 5:30am
The answer is 144degree west
How did you work it
Solution
Log A 70 E Log B 45n
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5.30am <------- 7.40
=1276n :2 = 210
------ = 2hrs
105
Answer Is = 2.00am
104 degrees east

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