(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." (RU)
Reference (RU): Sunan an-Nasa'i 2500 (RU)
In-book reference (RU): Book 23, Hadith 0 (RU)
English translation (RU): Vol. 3, Book 23, Hadith 2502 (RU)