(30) باب فَرْضِ زَكَاةِ رَمَضَانَ .
It was narrated that Ibn 'Umar said:
"The Messenger of Allah enjoined Zakah of Ramadan upon the free and the slave, male and female, a Sa[1] of dates or a Sa of barley, so the people considered that equivalent to half a Sa of wheat." (ES)
Reference (ES): Sunan an-Nasa'i 2500 (ES)
In-book reference (ES): Book 23, Hadith 0 (ES)
English translation (ES): Vol. 3, Book 23, Hadith 2502 (ES)