TABARANI 3909: from Abū Ayyūb —
[Machine] Narrated by the Prophet, ﷺ , he said, "Whoever fasts in the month of Ramadan and then follows it with six days of fasting in the month of Shawwal, it is as if they have fasted for the entire year."

الطبراني ٣٩٠٩: عن ابو ايوب —
عَنِ النَّبِيِّ ﷺ قَالَ «مَنْ صَامَ رَمَضَانَ ثُمَّ أَتْبَعَهُ مِنْ شَوَّالٍ فَقَدْ صَامَ الدَّهْرَ»


No Grade (N/A)
Ṭabarānī > Chapter of Khā (Male) > § [Machine] Who is named Khalid?
hadithunlocked.com