Is one who fasts six days of Shawwal in one year sinful if an impediment arises or if he becomes lazy about fasting them in another year, based on the prevalent belief that whoever fasts them in one year must not abandon them thereafter?
Fasting six days of Shawwal after the day of Eid is a Sunnah, and it is not obligatory for someone who has previously fasted them to continue doing so, nor is one sinful for not fasting them.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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