Abu Sufyan (may Allah have mercy on him) states: I heard a man asking Sayyiduna Anas bin Malik (may Allah be pleased with him): "I had taken the pre-dawn meal (suhur), then I decided to break the fast; may I do so?" Sayyiduna Anas (may Allah be pleased with him) said: "Break it." Then he said: Sayyiduna Abu Talhah (may Allah be pleased with him) would come to his family and ask: "Do you have anything to eat?" When they said: No, he would say: "Then I am fasting."
Explanation: This report shows that the intention for a voluntary fast can also be made during the day, and also that there is room to break a voluntary fast after having begun it.
Hadith Referenceالمطالب العالية بزوائد المسانيد الثمانية / كتاب الصيام / 1014
Hadith Gradingمحدثین:إسناده حسن
Hadith Takhrij«حکم الحدیث المطالب العالیہ محققاً تنسیق د. سعد بن ناصر بن عبد العزيز الشَّثري- مکتبہ شاملہ :إسناده حسن. » «أخرجه مسند البزار برقم: 7600»