Sawm is "Fasting," the fourth pillar of Islam. It primarily refers to the fast of Ramadan, but also includes voluntary fasts such as the six days of Shawwal, Mondays and Thursdays, and the Day of Arafah. Sawm involves abstaining from food, drink, and marital relations from dawn (Fajr) until sunset (Maghrib). The purpose of Sawm is to attain "Taqwa" (God-consciousness), practice self-control, and feel the hunger of the poor. The Prophet said that fasting is a "shield" for the believer, protecting them from sins in this world and the Fire in the next. During Ramadan, Muslims also increase their recitation of the Quran, give extra charity, and perform the special night prayers called Taraweeh. Fasting is obligatory for all adult Muslims who are healthy and not traveling, with exemptions for the elderly, pregnant or nursing women, and those with medical conditions. The missed fasts must be made up (qada) or compensated by feeding the poor (fidyah) if one is permanently unable to fast. The month of Ramadan is significant because the Quran was first revealed during this time, specifically on Laylat al-Qadr (the Night of Power), which is better than a thousand months. Fasting teaches patience, empathy, and spiritual discipline. It resets physical and spiritual health, breaking the hold of daily habits and refocusing the believer on their ultimate purpose. The Prophet said: "Whoever fasts Ramadan with faith and seeking reward, his previous sins will be forgiven" (Bukhari, Muslim). Fasting is not merely abstention from physical needs but also from sinful behavior,backbiting, lying, and anger. The fasting person is encouraged to be generous, patient, and mindful of Allah at all times. For believers, Sawm is a transformative experience that strengthens faith, builds character, and cultivates compassion for those in need.