HADITHS RELATED TO FASTING SIX DAYS IN SHAWWAL:
  1. Abu Ayyub (may Allaah be pleased with him) reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "Anyone who fasts Ramadan and then follows it with six from Shawwal, it is as he had fasted the entire year." [Muslim]
  2. Abu Ayyoob (may Allaah be pleased with him) reported that the Messenger of Allaah (peace and blessings of Allaah be upon him) said: "Whoever fasts Ramadaan and follows it with six days of Shawwaal, it will be as if he fasted for a lifetime." [Narrated by Muslim, Abu Dawood, al-Tirmidhi, al-Nisaa'i and Ibn Maajah]
  3. Thawban (Allah be pleased with him) relates that the Messenger of Allah (blessings and peace be upon him, his family, and companions) said, "Whoever fasts Ramadan, and then six days after Eid, it is [like fasting] an entire year. Whoever does a good deed shall have ten times its reward." [Ibn Majah, Muntaqa]