Hadith 4:584
9450. Ibn ‘Ulayyah narrated to us, from Muhammad ibn Ishaq, from al-Zuhri, from Salim, from Ibn ‘Umar, regarding the crescent moon being seen during the day: He said: "Do not break your fast until you see it from where it is seen."
حدثنا بن علية عن محمد بن إسحاق عن الزهري عن سالم عن بن عمر في الهلال يرى بالنهار قال لا تفطروا حتى تروه من حيث يرى