(2) باب فَضْلِ الْغُسْلِ يَوْمَ الْجُمُعَةِ، وَهَلْ عَلَى الصَّبِيِّ شُهُودُ يَوْمِ الْجُمُعَةِ أَوْ عَلَى النِّسَاءِ
Narrated Abu Sa`id Al-Khudri:
Allah's Messenger (ﷺ) (p.b.u.h) said, "The taking of a bath on Friday is compulsory for every male (Muslim) who has attained the age of puberty."
Reference: Sahih al-Bukhari 879
In-book reference: Book 11, Hadith 4
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 13, Hadith 4