Atlanta Georgia is on Eastern time in the United States. Greenwich Mean Time is five hours ahead of US Eastern time (just like Atlanta is ahead of Houston).
The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England.
California is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Germany is (Greenwich Mean Time) GMT +1 hour, ie. 1 hour ahead of Greenwich, England. California is 9 hours behind Germany. (Daylight savings not taken into account.)
England is at (Greenwich Mean Time) GMT. US Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Orlando is 5 hours behind England. (Daylight savings not taken into account.)
Australia has 3 Time Zones. Eastern is (Greenwich Mean Time) GMT +10 hours, ie. 10 hours ahead of Greenwich, England. Central is (Greenwich Mean Time) GMT +9.5 hours, ie. 9.5 hours ahead of Greenwich, England. Western is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Quito is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Quito is 13 to 15 hours behind Australia. (Daylight savings not taken into account.)
The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England. All of China is in the same time zone, so China is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Depending on where in the USA you are, the difference is between 13 and 18 hours. (Daylight savings not taken into account.)
The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England. Hawaii is 2 hours behind San Francisco. (Daylight savings not taken into account.) California is 3 hrs. ahead of Hawaii from March to November and 2 hrs. ahead the rest of the year.
The USA has 6 Time Zones including Alaska and Hawaii. Eastern Time - is (Greenwich Mean Time) GMT -5 hours, ie. 5 hours behind Greenwich, England. Central Time - is (Greenwich Mean Time) GMT -6 hours, ie. 6 hours behind Greenwich, England. Mountain Time - is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Alaska Time - is (Greenwich Mean Time) GMT -9 hours, ie. 9 hours behind Greenwich, England. Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England. Singapore is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Depending on where in the USA you are, the difference is between 13 and 18 hours. (Daylight savings not taken into account.)
US Pacific Time - is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. US Hawaii Time - is (Greenwich Mean Time) GMT -10 hours, ie. 10 hours behind Greenwich, England. If it is 9am in San Francisco, it is 7am in Honolulu.
California is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Germany is (Greenwich Mean Time) GMT +1 hour, ie. 1 hour ahead of Greenwich, England. California is 9 hours behind Germany. (Daylight savings not taken into account.)
Japan is (Greenwich Mean Time) GMT +9 hours, ie. 9 hours ahead of Greenwich, England. Bangkok is (Greenwich Mean Time) GMT +7 hours, ie. 7 hours ahead of Greenwich, England. Bangkok is 2 hours behind Tokyo. (Neither Japan nor Thailand observes daylight saving time.)
The country that is the furthest behind in time compared to Greenwich Mean Time (GMT) is American Samoa, which is 11 hours behind GMT.
The country that is the most behind in time compared to Greenwich Mean Time (GMT) is American Samoa, which is 11 hours behind GMT.