What's the time difference between Malaysia and China?

There is no time difference. Both Beijing and Malaysia are located in the same time zone, so there is no time difference between Beijing and Malaysia.

Subtracting the standard time of two time zones (real-time area code) is the time difference, and the time zone with larger value is earlier. For example, China is the eighth eastern district (+8) and the eastern part of the United States is the fifth western district (-5). Time difference between the two places 13 hours, Beijing is earlier than new york 13 hours. If it is the period of daylight saving time in the United States, the difference is 12 hours. ?

With the rotation of the earth, the sun rises in the east and sets in the west in a day. When the sun passes the highest point in the sky, the local time is 12. Therefore, different meridians have different local time. The same time used in the same time zone is the time zone (local time on the central meridian of this area), and the same time used around the world is universal time (local time on the meridian of 0 degrees).

Extended data:

With the rotation of the earth, the sun rises in the east and sets in the west in a day. When the sun passes the highest point in the sky, the local time is 12. Therefore, different meridians have different local time. The same time used in the same time zone is the time zone (local time on the central meridian of this area), and the same time used around the world is universal time (local time on the meridian of 0 degrees).

Local longitude distance 15 degree for one hour, local longitude distance 1 degree for four minutes. The standard time everywhere is Greenwich Mean Time plus (+) or minus (-) the time difference between hours and minutes in the time zone. Many countries also adopt daylight saving time (DST). For example, the United States implements DST from April to September every year, one hour in advance.

Baidu encyclopedia-time difference