Question

If it is greenwich time is 12 noon whose is the local time at 120° east

Answer 1

in East time will be ahead of Greenwich time

Answer 2

At Greenwich - 12 noon

1° - 4minutes

120°- 120×4 = 480 minutes or 8hours

so the local time is 12noon + 8 hrs=

8:00 PM

hopes this helps