Difference time between Nigeria and Guyana in hours, minutes, and seconds is [ +5 hours ] with gregorian date today is Monday 15th of December 2025 in Nigerian local time, Where the time now in Nigeria is 18:12 PM and the time now in Guyana is 13:12 PM in Guyanese local time and the time comparison between Federal Republic of Nigeria and Guyana in greenwich time ( GMT ) where Nigeria advanced about greenwich time ( GMT +01:00 ) while Guyana late for greenwich time ( GMT -04:00 ).