Difference time between United States of America and Mongolia in hours, minutes, and seconds is [ -13 hours ] with gregorian date today is Sunday 18th of January 2026 in American local time, Where the time now in United States of America is 15:36 PM and the time now in Mongolia is 04:36 AM in Mongolian local time and the time comparison between United States of America and Mongolia in greenwich time ( GMT ) where United States of America late for greenwich time ( GMT -04:00 ) while Mongolia advanced about greenwich time ( GMT +08:00 ).