It is 6 hours ahead in summer time and 7 hours ahead in winter time.
Bangkok is 7 hours ahead of GMT.
Manila is 1 hour ahead of Bangkok.
7 hours.
Ireland is seven hours ahead of Denver most of the year.
Phoenix is 3 hours ahead of Boston
1 hour behind.
Florida is is five hours behind London.
LA are 8 hours behind the UK.
One Hour behind
Australia has 3 time zones.Western Australia is 18 hours ahead of HawaiiCentral Australia is 19 hours and 30 minutes ahead of HawaiiEastern Australia is 20 hours ahead of Hawaii
California is not ahead of New York, it is behind New York. The difference is 3 hours.
Local time in Tel Aviv, Israel is 10 hours ahead of Seattle, Washington.