عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ: ((عَلَى كُلِّ مُسْلِمٍ غُسْلٌ فِي سَبْعَةِ أَيَّامٍ كُلَّ جُمُعَةٍ))
Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) said: It is obligatory upon every Muslim to perform ghusl (ritual bath) once every seven days, on the day of Jumu’ah (Friday).