Festivals and celebrations are occasions of joy and happiness. They have their distinctive spirit in all societies and cultures, and are eagerly awaited and heartily welcomed by everyone. The feeling of excitement associated with these occasions, however, causes people to introduce uncommon; strange, or even bizarre practices during them. Islam regulates the occasions to be celebrated and the methods of celebrating them. It maintains their atmosphere of happiness, While redirecting it to benefit the individuals and the Muslim communities. This book discusses the two annual Islamic festivals: ‘id ut-Fitr and -id ut-Adha, as well as the weekly Jumu ‘ah. It presents the Islamic guidelines for celebration according to the Qur’an and Sunnah, and Warns against innovated occasions and un-Islamic festivals. In addition to topics that are standard to ‘id celebration, such as the”id prayer and khutbah, and ‘id pastimes, this book discusses zakat ul-fitr, the sacrifice, the blessed days of the month of Thut-H1jjah, and numerous other w-related issues. The broad and thorough discussions in this book make it an important manual and complete reference on festivals and celebrations, in Islam. Indeed, from Allah we seek help and acceptance.