if it is 4pm at 80 degree east,what would be time at 15 degree east?show calculation.
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To simplify 360 degree has a time difference of 24*60 minutes. So 1 degree will have a time difference of 24*60/360 = 4 minutes.
Now if we move towards east from Greenwich, time difference will be added and vice-versa for west.
To answer the questions
69 Deg means 69*4=276 min, East means time will be added. 12 Noon at Greenwich means 69 deg east will be 12 + 4 hr 36 min (276 min) = 4:36 pm.
30 deg means 30*4=120 min, West means time will be subtracted. 12 noon in Greenwich means 30 deg west will be 12 - 2 hr (12 min) = 10 am.
12 deg means 12*4=48 min, East means time will be added. 12 noon in Greenwich means 12 deg east will be 12 + 48 min = 12:48 pm.
Now if we move towards east from Greenwich, time difference will be added and vice-versa for west.
To answer the questions
69 Deg means 69*4=276 min, East means time will be added. 12 Noon at Greenwich means 69 deg east will be 12 + 4 hr 36 min (276 min) = 4:36 pm.
30 deg means 30*4=120 min, West means time will be subtracted. 12 noon in Greenwich means 30 deg west will be 12 - 2 hr (12 min) = 10 am.
12 deg means 12*4=48 min, East means time will be added. 12 noon in Greenwich means 12 deg east will be 12 + 48 min = 12:48 pm.
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