´It was narrated that Abu Salamah said:` “I heard ‘Aishah say: ‘I used to owe fasts from the month of Ramadan, and I would not make them up for until Sha’ban came.’”
Hadith Referenceسنن ابن ماجه / كتاب الصيام / 1669
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:بخاري ومسلم