Question: I heard a Khateeb (preacher) while delivering the Khutbah (sermon) on the second Friday of Ramadaan saying that workers who get extremely exhausted because of the nature of their work, and they have no other source of income, are allowed to refrain from Sawm during Ramadaan. Instead, they should feed a poor person for each day of Ramadaan they do not fast on or equally pay fifteen Dirhams. This urged me to write this letter to you to ask if this Fatwaa is substantiated by any authentic evidence from the Qur’aan and the Sunnah.
Answer: It is not permissible for a Mukallaf to break their Sawm during the daytime in Ramadaan under the pretext that they are workers. However, if they suffer from great hardship that may force them to break their Sawm during the daytime, they are permitted to break their Sawm but only up to the point of relieving the hardship. After that, they have to resume abstention from the invalidators of Sawm until sunset and break their Sawm at the time all Muslims break it. However, they have to make up for such a day later. Accordingly, the Fatwa you mentioned is incorrect... read more here.