The Messenger of Allah, prayers and peace upon him, was asked about fasting on The Day of ‘Arafah. (He, prayers and peace upon him, replied): Fasting on the day of ‘Arafah is an expiation of...
Fasting six days of Shawwaal after the obligatory fast of Ramadaan is Sunnah Mustahabbah, not waajib. It is recommended for the Muslim to fast six days of Shawwaal, and in this there is great virtue...
—Ibn ‘Uthaymeen
The Ruling On Zakaat Al-Fitr
As for its ruling, it is an obligation that was obligated on us from the Prophet Muhammad (saw), and whatever he obligates...
Explanation of cheikh Ibn Othaimeen’s book.