845 - وَ سَأَلَ اَلْمُفَضَّلُ بْنُ عُمَرَ أَبَا عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ: عَنِ اَلتَّحْرِيفِ لِأَصْحَابِنَا ذَاتَ اَلْيَسَارِ عَنِ اَلْقِبْلَةِ وَ عَنِ اَلسَّبَبِ فِيهِ فَقَالَ «إِنَّ اَلْحَجَرَ اَلْأَسْوَدَ لَمَّا أُنْزِلَ مِنَ اَلْجَنَّةِ وَ وُضِعَ فِي مَوْضِعِهِ جُعِلَ أَنْصَابُ اَلْحَرَمِ مِنْ حَيْثُ لَحِقَهُ اَلنُّورُ نُورُ اَلْحَجَرِ فَهُوَ عَنْ يَمِينِ اَلْكَعْبَةِ أَرْبَعَةُ أَمْيَالٍ وَ عَنْ يَسَارِهَا ثَمَانِيَةُ أَمْيَالٍ كُلُّهُ اِثْنَا عَشَرَ مِيلاً فَإِذَا اِنْحَرَفَ اَلْإِنْسَانُ ذَاتَ اَلْيَمِينِ خَرَجَ عَنْ حَدِّ اَلْقِبْلَةِ لِقِلَّةِ أَنْصَابِ اَلْحَرَمِ وَ إِذَا اِنْحَرَفَ اَلْإِنْسَانُ ذَاتَ اَلْيَسَارِ لَمْ يَكُنْ خَارِجاً عَنْ حَدِّ اَلْقِبْلَةِ.
Hadith.845 - Al-Mufaddal ibn Umar asked Imam Jafar ibn Muhammad Al-Sadiq 
about the deviation of some of our companions to the left from the Qiblah and the reason for it.
Imam replied: "When the Black Stone (Hajar al-Aswad) was brought down from Paradise and placed in its position, the boundaries of the Haram (sanctuary) were determined by the reach of the light emanating from the Stone. It is four miles to the right of the Ka’ba and eight miles to the left, making a total of twelve miles.
Thus, if a person deviates to the right, they leave the boundary of the Qiblah due to the lesser extent of the Haram's boundary, but if they deviate to the left, they do not leave the boundary of the Qiblah."
