The episcopate of Pope Mark IV (البابا مرقس الرابع) lasted for 14 years, 4 months and 26 days from 5 September 1348 AD (8 Thout 1064 AM) to 31 January 1363 AD (8 Amsheer 1079 AM). He departed this world on 31 January 1363 AD after a great struggle, perseverance, and patience. Upon his death, he was buried in the monastery of Shahran (دير شهران). The See of St Mark remained vacant for 3 months and 6 days after his death.