Arabic : Book 18, Hadith 637
Malik Muwatta: Hadith 655
18. Fasting
موطأ مالك
655
Malik Muwattaحَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَقُولُ لاَ يَصُومُ إِلاَّ مَنْ أَجْمَعَ الصِّيَامَ قَبْلَ الْفَجْرِ .
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to say, "Only some one who makes the intention to fast before dawn (actually) fasts."
Reference: USC-MSA web (English) : Book 18, Hadith 5
Arabic : Book 18, Hadith 637
Arabic : Book 18, Hadith 637