Hadith.1925 - Abd al-Karim ibn Amr asked Imam (as): "I have made a vow upon myself to fast until the Qa'im (as) rises."
Imam (as) said: "Do not fast during travel, on the two Eids, on the days of Tashriq, or on the day of doubt."
Al-Kāfi #558“Once, I said to abu ‘ Abd Allah (a.s.), that I have placed upon myself to fast until the rise of al-Qa”im, (the one who rises with Divine...