This study includes the jurisprudential agreement on calamities in acts of worship. It deals with the calamities of the call to prayer, whether related to the ruling on the call to prayer via sound recording, the electronic device, the ruling on following the muezzin who gives the call to prayer via the call to prayer, such as a radio, for example, and the ruling on the muezzin saying the call to prayer during the call to prayer over loudspeakers. It also deals with the calamities of prayer, whether related to the ruling on praying at certain hours after the time for prayer has begun, and not immediately after the time has begun, and the ruling on praying in the car in a seated position. Due to severe fear of an enemy, theft, or something else, and the ruling on working during the Friday sermon, such as transcribing the sermon, or repairing the loudspeakers, and the like, and the ruling on translating the sermon into a language other than Arabic for those who do not speak Arabic during the break session.