Time used throughout China is Beijing standard time, which is 8 hours ahead of GMT.

There are no different time zones in China: there is only one time for the whole country.

To see the local time in Beijing.

It the time in Beijing is 12.00, then the time is in:
Bangkok 11.00
Bombay 09.30
Honolulu 18.00
London 04.00
Melbourne 14.00
Moscow 07.00
New York 23.00
Paris 04.00
San Francisco 20.00
Tokyo 13.00