a day and four hours
for summer time, 6 hours ahead
one hour ahead
Two hours ahead of GMT.
8
Afghanistan is 3:30 hours ahead of UK.
Five hours from Eastern time zone
Exactly how far ahead the Kennedy administration planned the President's trip to Dallas is not known.
You should see as far ahead as you can. The farther you can see, the more time you have to prepare for whatever your are approaching, and for whatever is approaching you.
Greenwich Mean Time is the time zone of the Ivory Coast.
Porgy and Bess
11 or 10 hours. There's no daylight savings time.
No. New Zealand is as far ahead as you can actually get; GMT+12.