Volume 3, Book 33, Number 258:
Narrated Abdullah bin Umar:
Volume 3 – 463 / 1700
SAHIH BUKHARI VOLUME 3 > BOOK 33: RETIRING TO A MOSQUE FOR REMEMBRANCE OF ALLAH (I’TIKAF)
‘Umar bin Al-Khattab said, “O Allah’s Apostle! I vowed in the Pre-lslamic period to perform Itikaf
in Al-Masjid-al-Haram for one night.” The Prophet said, “Fulfill your vow.” So, he performed Itikaf
for one night.