صحيح البخاري Sahih Bukhari كتاب الأيمان والنذور The Book of Oaths and Vows
بَابُ إِذَا نَذَرَ أَوْ حَلَفَ أَنْ لاَ يُكَلِّمَ إِنْسَانًا فِي الْجَاهِلِيَّةِ ثُمَّ أَسْلَمَ:

(29) Chapter. If somebody vowed or took an oath that he would not speak to anybody, during the Pre-Islamic Period of Ignorance, and then he embraces Islam (should he fulfil his vow)?

1 hadith
Hadith 6697
حَدَّثَنَا مُحَمَّدُ بْنُ مُقَاتِلٍ أَبُو الْحَسَنِ ، أَخْبَرَنَا عَبْدُ اللَّهِ ، أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ عُمَرَ ، عَنْ نَافِعٍ ، عَنْ ابْنِ عُمَرَ : أَنَّ عُمَرَ ، قَالَ : يَا رَسُولَ اللَّهِ ، إِنِّي نَذَرْتُ فِي الْجَاهِلِيَّةِ أَنْ أَعْتَكِفَ لَيْلَةً فِي الْمَسْجِدِ الْحَرَامِ ، قَالَ : " أَوْفِ بِنَذْرِكَ " .
Narrated Ibn `Umar: `Umar said "O Allah's Apostle! I vowed to perform I`tikaf for one night in Al-Masjid-al-Haram, during the Pre-Islamic Period of ignorance (before embracing Islam). "The Prophet said, "Fulfill your vow." Ibn `Umar said to the lady, "Pray on her behalf." Ibn `Abbas said the same.
Hadith Reference Sahih Bukhari / The Book of Oaths and Vows / Hadith: 6697
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة