The time for grains and dates on the day they were harvested was found without stipulating the year, since the year has passed according to the principle, which is the effect that fall, winter, spring, and summer have on it, so it is as if it did not fall outside the ruling of the year with this consideration. Among the acts of worship are those that are linked to the year, such as Hajj, fasting, and the other types of things we have mentioned. Types of zakat money and obligatory acts of worship are those that are not related to the year, such as prayer, Umrah, and voluntary good deeds, with the exception of Hajj, for its obligatory and voluntary acts are the same during the year .