(وَعَنْهُ أَيْضًا) عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ قَالَ خَيْرُ يَوْمٍ تَحْتَجِمُونَ فِيهِ سَبْعَ عَشْرَةَ وَتِسْعَ عَشْرَةَ وَإِحْدَى وَعِشْرِينَ وَقَالَ وَمَا مَرَرْتُ بِمَلَأٍ مِنَ الْمَلَائِكَةِ لَيْلَةً أُسْرِيَ بِي إِلَّا قَالُوا عَلَيْكُمْ بِالْحِجَامَةِ يَا مُحَمَّدُ
It is also narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) said: The dates of the seventeenth, nineteenth, and twenty-first of the month are extremely suitable and best for cupping, and he said: On the night of Mi'raj, when I was taken up, every group of angels that I passed by said the same thing: O Muhammad (peace and blessings be upon him)! Adhere to cupping.