Difference time between United States of America and Oman in hours, minutes, and seconds is [ -8 hours ] with gregorian date today is Wednesday 22nd of October 2025 in American local time, Where the time now in United States of America is 15:37 PM and the time now in Oman is 23:37 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 ).