Difference time between United States of America and China in hours, minutes, and seconds is [ -12 hours ] with gregorian date today is Wednesday 19th of August 2026 in American local time, Where the time now in United States of America is 21:19 PM and the time now in China is 09:19 AM in Chinese local time and the time comparison between United States of America and China in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while China advanced about greenwich time ( GMT +08:00 ).