´It was narrated from Umm Salamah that:` the Messenger of Allah (ﷺ) swore to keep away from some of his wives for a month. On the twenty-ninth day, in the evening or the morning, it was said: "O Messenger of Allah, only twenty-nine days have passed." He said: "The month is twenty-nine days."
Explanation & Benefits
Maulana Ataullah Sajid
Benefit:
“The month is twenty-nine days.”
This means that this month is twenty-nine days.
If it had been thirty days, I would have stayed one more day.
Source: Commentary on Sunan Ibn Mājah by Mawlānā ‘Atā’ullāh Sājid, Page: 2061