
1. Eastern Time (ET): Washington, D.C., New York, Boston, Atlanta, Philadelphia, Miami, etc., are in this time zone. Beijing Time is Eastern Time plus 13 hours.
2. Central Time (CT): Chicago, St. Louis, New Orleans, Houston, etc., are in this time zone. Beijing Time is Central Time plus 14 hours.
3. Mountain Time (MT): Denver, Phoenix, Salt Lake City, etc., are in this time zone. Beijing Time is Mountain Time plus 15 hours.
4. Pacific Time (PT): Los Angeles, San Francisco, San Diego, Las Vegas, Seattle, etc., are in this time zone. Beijing Time is Pacific Time plus 16 hours.
Additionally, Hawaii and Alaska constitute a fifth time zone; Pacific Time minus two hours equals Hawaii and Alaska time.
Daylight Saving Time in the United States begins at 12:00 AM on the first Sunday of April each year (clocks are set forward one hour) and ends at 12:00 AM on the last Sunday of October each year (clocks are set back one hour). Arizona, Indiana, and Hawaii do not observe Daylight Saving Time.





