Pacific Time:-16

Mountain time:-15

Central Time:-14

Eastern time:-13

Alaska Time:-18

For example, Beijing time minus 16 hour is US Pacific time. It's 20: 00 Beijing time and 04: 00 Pacific time.

In daylight saving time, the time difference is one hour less. Just like American daylight saving time. It's 20: 00 Beijing time and 05: 00 Pacific time.