Question
The local time at New York (75° W) is 8.30 P.M. on Wednesday. What will be time at Delhi (77°E) ?
Solution
New York Greenwich New Delhi
75°W 0 77°E
Time – 8.30 P.M. Wednesday East-Gain-Add
Longitude of New York = 75°W
Longitude of New Delhi = 77°E
Difference in the longitude = 152°
Difference in time = 152 x 4