جمادی‌الاول is the fifth month of the Islamic lunar calendar. It follows the month of ربیع‌الثانی and precedes جمادی‌الثانی. The name "جمادی" refers to the period of winter when water would freeze, and "الاول" means "the first," indicating it is the first of the two جمادی months. In the Islamic calendar, each month begins with the sighting of the moon. The months are used for religious observances, including fasting and prayer. Important events in Islamic history may also be commemorated during جمادی‌الاول, making it significant for many Muslims around the world.