Narrated `Abdullah bin Abi A'ufa: We were with Allah's Apostle on a journey, and when the sun set, he said to a man, Get down and prepare a drink of Sawiq for me. The man said, O Allah's Apostle! Will you wait till it is evening? Allah's Apostle again said, Get down and prepare a drink of Sawiq. The man said, O Allah's Apostle! Will you wait till it is evening, for it is still daytime. The Prophet again said, Get down and prepare a drink of Sawiq. So the third time the man got down and prepared a drink of sawiq for him. Allah's Apostle drank thereof and pointed with his hand towards the East, saying, When you see the night falling from this side, then a fasting person should break his fast.