Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:16790Abū al-Zinbāʿ Rawḥ b. al-Faraj > Yaḥyá b. Bukayr > al-Layth

[Machine] Ibn Kathir is around seventy-eight to eighty years old.  

الطبراني:١٦٧٩٠حَدَّثَنَا أَبُو الزِّنْبَاعِ رَوْحُ بْنُ الْفَرَجِ ثنا يَحْيَى بْنُ بُكَيْرٍ حَدَّثَنِي اللَّيْثُ قَالَ «§تُوُفِّيَ مُعَاوِيَةُ بْنُ أَبِي سُفْيَانَ لِأَرْبَعِ لَيَالٍ خَلَوْنَ مِنْ رَجَبٍ سَنَةَ سِتِّينَ» قَالَ

ابْنُ كَثِيرٍ «وَسِنُّهُ بِضْعٌ وَسَبْعُونَ إِلَى الثَّمَانِينَ»