Fasting six days of Shawal

عَنْ أَبِی أَیُّوبَ، قَالَ قَالَ رَسُولُ اللہِ صلّى اللّٰہ عليه وسلّم مَنْ صَامَ رَمَضَانَ ثُمَّ أَتْبَعَہُ بِسِتٍّ مِنْ شَوَّالٍ، کَانَ کَصَوْمِ الدَّھْرِ

Hazrat Abu Ayyub^ra narrates that the Holy Prophet^sa said:

“Whoever fasts throughout Ramadan and then follows it with six days of Shawal, it is as if he fasted for a lifetime.”

(Sunan Ibn Majah, Kitab as-siyam, Hadith 1716)