It was narrated from Abu Qatadah that the Messenger of Allah (ﷺ) said: “Fasting on the Day of ‘Arafah, I hope from Allah, expiates for the sins of the year before and the year after.”
It was narrated that Qatadah bin Nu’man said: “I heard the Messenger of Allah (ﷺ) say: ‘Whoever fasts the Day of ‘Arafah, his sins of the previous and following year will be forgiven.’”
It was narrated that ‘Ikrimah said: “I entered upon Abu Hurairah in his house and asked him about fasting the Day of ‘Arafah at ‘Arafat. Abu Hurairah said: ‘The Messenger of Allah (ﷺ) forbade fasting the Day of ‘Arafah at ‘Arafat.’”