4 HOURS
1:30pm ET is 5:30pm GMT.
4am ET is equivalent to 8am GMT. Eastern Time (ET) is 5 hours behind Greenwich Mean Time (GMT).
13 hours
2:45 AM ET is equivalent to 6:45 AM GMT.
10am EDT is 2pm GMT. The time difference between EDT and GMT is 4 hours, with GMT being ahead.
The difference is 6 hours (from -4 GMT to +2 GMT).
Central Standard time is GMT -6 Central Daylight Time GMT -5
Saudi Arabia is three hours ahead of GMT (GMT +3)
England time is GMT, Sicily (Italy) is GMT+1.
3 hours. Nuuk is GMT -3 and Reykjavik is GMT -0
australia is 10 hours ahead of GMT
3 hours