The LMT of longitude 78° 18' west is 04H 03M. Find the GMT.
Given:
78° 18' W - longitude
04H 03M - LMT
Solution:
1. We have to convert arc to time, that is we are going to divide the longitude by 15 to get time.
78° 18' ÷ 15° = 05h 13.2 mins
2. Now we are going to add LMT to our answer in step 1 to get the GMT.
As for the rule in getting GMT:
From LMT to GMT, longitude W (+) E (-)
Longitude in time = 05h 13.2 mins
LMT = 04h 03 m +
GMT = 09h 16.2 mins
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