GMT/UTC plus eight hours (all of China is set to Beijing time). For a less complicated way, use New York time as an example. In the middle of the summer, New York will be exactly 12 hours behind China. If it is 8 am Monday morning in Guangzhou then it is 8 pm Sunday night in New York and 60 minutes is just ending. When clocks are set back, it becomes 13 hours behind East Coast time.
The standard time in different cities of the world is as follows:
City | Time | City | Time |
Accra | 4:00AM | Addis Ababa | 7:00AM |
Algiers | 5:00AM | Amsterdam | 5:00AM |
Ankara | 6:00AM | Baghdad | 7:00AM |
Bangkok | 11:00AM | Beijing | 12:00PM |
Belgrade | 5:00AM | Bombay | 9:00AM |
Bucharest | 6:00AM | Buenos Aires | 0:00AM* |
Cairo | 6:00AM | Delhi | 9:30AM |
Frankfurt | 5:00AM | Geneva | 5:00AM |
Karachi | 9:00AM | Lima | 11:00PM* |
London | 4:00AM | Manila | 12:00PM |
Moscow | 7:00AM | Melbourne | 2:00PM |
Montreal | 11:00PM* | New York | 11:00PM* |
Nairobi | 7:00AM | Osaka | 1:00PM |
Paris | 5:00AM | Pyongyang | 1:00PM |
Rangoon | 10:30AM | Rome | 5:00AM |
San Francisco | 8:00PM* | Singapore | 11:30AM |
Tehran | 7:30AM | Tokyo | 1:00PM |
Vancouver | 8:00PM* | Vienna | 5:00AM |
Washington, D.C. | 11:00PM* | Zurich | 5:00AM |