"I would own fasts from Ramadan and I would not make them up until Shaban came."
Sunan an-Nasa'i Book 22, Hadith 230
← Previous Hadith "Should a menstruating woman make up the prayers when she becomes pure?" she said: "Are youa Haruri? We used to menstruate at the time of the Messenger of Allah then we would become pure. He told us to make up the fast, but he did not tell us to make up the prayers."

Sunan an-Nasa'i Book 22, Hadith 229 Next Hadith → "The Messenger of Allah said on the day of Ashura: Is there anyone among you who has eaten today?' They said: Some of us are fasting and some of us are not.' He said: 'Do not eat for the rest of the day, and send word to the people of Al-Al-Arud telling them not to eat for the rest of the day."'

Sunan an-Nasa'i Book 22, Hadith 231