alkafi-14979Vol. 8, p. 192
لَا تَحْتَجِمُوا فِي يَوْمِ الْجُمُعَةِ مَعَ الزَّوَالِ فَإِنَّ مَنِ احْتَجَمَ مَعَ الزَّوَالِ فِي يَوْمِ الْجُمُعَةِ فَأَصَابَهُ شَيْءٌ فَلَا يَلُومَنَّ إِلَّا نَفْسَهُ.
Abu Abdullah (asws) having said: ‘Do not get cupping done during the day of Friday noon time, for the one who gets cupping done at noon during the day of Friday, if something were to happen to him, so he should not blame (anyone) except for himself’.