it is 12 o'clock in Beijing in summer time, 17 o'clock in Alaska yesterday, that is, 5 o'clock in the afternoon, 12 o'clock in Beijing in winter time, and 19 o'clock in Alaska yesterday, that is, 7 o'clock in the afternoon. There are four time zones in 48 states in the United States, which are Pacific Time, Mountain Time, Central Time and Eastern Time from west to east. And Alaska (state) time. The United States also implements daylight saving time, which starts on the first Sunday in April and ends on the last Sunday in October. Daylight saving time is one hour earlier than normal time.

Time difference between the time in the United States and Beijing time in normal times

Pacific Time: -16

Mountain Time: -15

Central Time: -14

Eastern Time: -13

Alaska Time: -18

For example, Beijing Time minus 16 hours is the Pacific Time in the United States. It's 2: Beijing time and 4: Pacific time in the United States.

in daylight saving time, the time difference is one hour less. For example, in American daylight saving time, Beijing time is 2: , and American Pacific time is 5: .