Difference time between United States of America and Macao in hours, minutes, and seconds is [ -12 hours ] with gregorian date today is Friday 20th of March 2026 in American local time, Where the time now in United States of America is 20:37 PM and the time now in Macao is 08:37 AM in Macanese local time and the time comparison between United States of America and Macao in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while Macao advanced about greenwich time ( GMT +08:00 ).