Sayyiduna Jabir (may Allah be pleased with him) says: Do not say: "The month has fallen short," for we fasted twenty-nine days with the Prophet (peace and blessings be upon him) more often than we fasted thirty.
Al-Tabarani recorded it in al-Mu'jam al-Awsat. Its chain contains a narrator, Miswar bin al-Salt, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصيام / 4816
Hadith Gradingمحدثین:إسناده ضعیف
Hadith Takhrij«أخرجه المعجم الأوسط للطبراني برقم: 5441»