The Messenger of Allah said: "Whoever stays with a people, then he is not to fast without their permission."
Jami` at-Tirmidhi Book 8, Hadith 108
← Previous Hadith From his father who said: "I said. 'O Messenger of Allah! Inform me about Wudu.' So he said: "Perform Wudu well, and go between the fingers, and perform Istinshaq extensively except when fasting."

Jami` at-Tirmidhi Book 8, Hadith 107 Next Hadith → "The Prophet would perform I'tikaf during the last ten (days) of Ramadan until Allah took him."

Jami` at-Tirmidhi Book 8, Hadith 109