Question: Some nomads broke their Sawm (Fast) on the last day of Ramadaan before the day of `Eed-ul-Fitr (the Festival of Breaking the Fast). This day was Sunday. They did so because certain radio stations broadcasted that Sunday was the day of `Eed-ul-Fitr. They thought that these radio stations were those of the Saudi Kingdom. They did not know that the Kingdom was observing Sawm except after the radio station of Riyadh announced that Monday was the day of `Eed-ul-Fitr. Should they make up for that day or make Kaffaarah (expiation)?
Answer: If the reality is as you have mentioned, then the person who broke his Sawm on Sunday should make up for that day as it was one of the days of Ramadaan. This is because the new moon of Shawwaal was not seen in the Kingdom except on Sunday evening. There is no expiation for those who broke their Sawm on that day as they had an excuse. Moreover, they have to investigate and make sure of the sighting of the new moon in the Kingdom in the future in order to guard their Sawm... read more here.