Another Chapter about the Previous Subject

“I once said to abu ‘ Abd Allah (a.s.), that in Iraq the sky remains cloudy for one, two or three days. Which day must we fast?’ He (the Imam) said, ‘Think which day you fasted last year and fast on fifth day.”’

“Abu ‘Abd Allah (a.s.), has said, ‘Fast on the fifth day of the coming year from the day you fasted the year before.’”

“Muhammad ibn al-Faraj once wrote to al-‘Askariy (a.s.), asking about what is narrated, for calculating to fast, from his ancestors about the five days of the last year and six days of the coming year. He (the Imam)…

“I once said to abu ‘Abd Allah (a.s.), ‘In winter we cannot see the sun or stars for one or two days. When must we fast?’ He (the Imam) said, ‘Think, on what day you fasted last year, then count five days and fast on the…