Difference time between Oman and Mongolia in hours, minutes, and seconds is [ -4 hours ] with gregorian date today is Saturday 25th of October 2025 in Omani local time, Where the time now in Oman is 21:05 PM and the time now in Mongolia is 01:05 AM in Mongolian local time and the time comparison between Sultanate of Oman and Mongolia in greenwich time ( GMT ) where Oman advanced about greenwich time ( GMT +04:00 ) while Mongolia advanced about greenwich time ( GMT +08:00 ).