I believe Idaho is 8 hours behind.
England is at (Greenwich Mean Time) GMT. California is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Malibu is 8 hours behind England. (Daylight savings not taken into account.)
England is 8 hours ahead of Canada example: England's time 5pm at the same time Canada's time 9am. There's a difference of 8 hours.
England is ten hours behind Australia's Eastern Standard Time, or 11 hours behind Eastern Daylight Saving Time. For example, if it is 8:00am in Brisbane, Queensland, it is 10pm the night before in 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.)
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.
Sydney is (Greenwich Mean Time) GMT +10 hours, ie. 10 hours ahead of Greenwich, England. California is (Greenwich Mean Time) GMT -8 hours, ie. 8 hours behind Greenwich, England. Los Angeles is 18 hours behind Sydney. (Daylight savings not taken into account.)
The time difference is -5 hours for the East Coast and -8 hours for the West coast with -6 and 07 hours applying to regions in the interior.
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.
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.)
Denver is (Greenwich Mean Time) GMT -7 hours, ie. 7 hours behind Greenwich, England. Hong Kong is (Greenwich Mean Time) GMT +8 hours, ie. 8 hours ahead of Greenwich, England. Denver is 15 hours behind Denver. (Daylight savings not taken into account.)