TABARANI 1451: from Thawbān —
[Machine] Narrated from the Prophet ﷺ : "Whoever fasts Ramadan, then follows it with six days of Shawwal, it is as if he has fasted for an entire year."

الطبراني ١٤٥١: عن ثوبان —
عَنِ النَّبِيِّ ﷺ قَالَ «مَنْ صَامَ رَمَضَانَ ثُمَّ أَتْبَعَهُ بِسِتٍّ مِنْ شَوَّالٍ فَإِنَّ ذَلِكَ صِيَامُ سَنَةٍ»


No Grade (N/A)
Ṭabarānī > Chapter of Thā (Male) > § [Machine] Who is called "Tha'labah"?
hadithunlocked.com