Ruling 1705 — Fasting (Ṣawm)
If a person does not know whether it is the last day of the month of Ramadan or the first of Shawwāl, he must fast on that day. However, if during the day he finds out that it is the first of Shawwāl, he must break his fast.
#fasting#establishing_the_first_of_the_month#mistake_about_the_first_or_last_day_of_ramadan#روزه#اثبات_اول_ماه#اشتباه_در_اول_یا_آخر_ماه_رمضان