Hadith.176 - Sama’a ibn Mehran asked Imam Jafar ibn Muhammad Al-Sadiq (as) about the Jumu'ah wash (ghusl). Imam (as) said: 'It is obligatory for both travel and residency, except that it has been permitted for women to forgo it during travel due to a shortage of water. The ghusl of janabah (ritual impurity due to sexual discharge) is obligatory, as is the ghusl of menstruation, and the ghusl for a woman experiencing istihadah (irregular bleeding). If She uses a cotton cloth to absorb the blood and the blood exceeds the cloth, She must perform ghusl for every two prayers, and for Fajr, She must perform ghusl as well. If the blood does not pass the cotton, She must perform wudu for each prayer. The ghusl for postnatal bleeding (nifas) is obligatory, The ghusl for a newborn (is obligatory), The ghusl for washing a deceased person (is obligatory), The ghusl for one who has washed a deceased person (is obligatory), The ghusl for entering the state of ihram (pilgrimage attire) is obligatory, The ghusl on the day of Arafah (is obligatory), The ghusl for visitation of Kaaba (is obligatory), except for one with a valid excuse. The ghusl for entering the Kaaba is obligatory, The ghusl for entering the sacred sanctuary (haram). It is recommended for one not to enter it without performing ghusl. The ghusl for the Mubahalah (mutual prayer for truth) is obligatory, The ghusl for seeking rain (istisqa) is obligatory. The ghusl for the 1st night of Ramadan is recommended, as is the ghusl for the night of the 21st, which is a Sunnah, and the ghusl for the night of the 23rd should not be neglected, as one of these nights is hoped to be Laylat al-Qadr. The ghusl for the day of Eid al-Fitr and the day of Eid al-Adha should not be omitted, The ghusl for seeking divine guidance (istikhara) is recommended."