If one eats or drinks while forgetting during voluntary fasting, is his fast invalid?
Machine translationRead the Arabic original
Question:
He says: Honorable Shaykh, may Allah grant you success. If a person fasts a voluntary fast and eats or drinks during the day while forgetting, is his fast valid? Even if it were obligatory, no.
Answer:
It is not voluntary; if he ate and drank while forgetting in Ramadan, his fast is valid. The saying of the Messenger (peace and blessings be upon him): WhoSahih Muslim 1155 Yes.
He says: Honorable Shaykh, may Allah grant you success. If a person fasts a voluntary fast and eats or drinks during the day while forgetting, is his fast valid? Even if it were obligatory, no.
Answer:
It is not voluntary; if he ate and drank while forgetting in Ramadan, his fast is valid. The saying of the Messenger (peace and blessings be upon him): Who
forgets that he is fasting and eats or drinks he should complete his fast, for it is only Allah Who has fed him and given him drink.
نسي فأكل أو شرب فليتم صومه أي إنما أطعمه الله وسقاه
Source
قناة «العلامة الدكتور صالح الفوزان»، [736 -2802] من أكل أو شرب ناسيا في صيام التطوع، هل يبطل صومه؟ - الشيخ صالح الفوزان — youtube.com
The Arabic text is a machine transcription of the audio recording.