Difference time between United States of America and Oman in hours, minutes, and seconds is [ -8 hours ] with gregorian date today is Friday 21st of August 2026 in American local time, Where the time now in United States of America is 04:26 AM and the time now in Oman is 12:26 PM in Omani local time and the time comparison between United States of America and Oman in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while Oman advanced about greenwich time ( GMT +04:00 ).