About 4 or 5 time zones span China
4
There are 15 time zones between Colorado and China.
china has covered about 50 or 15
one
there are 24 time zones
All of Hong Kong is UTC+8. All of China is UTC+8.
If you mean time zones. There is one. Russia has 7 time zones.
there is 24 standard time zones!
40 time zones in the world.
Russia has many time zones (UTC+3, UTC+4, UTC+6, UTC+7, UTC+8, UTC+9, UTC+10, UTC+11, UTC+12); China has only one (UTC+8).
This will depend on where you are located. China is an extremely large country and has many time zones. Take a look at the link to the left for additional information.
mongolia have 4 different time zones
There are 3 time zones