Celebrating birthdays and fasting on birthdays is a Bid`ah (innovation in religion) which has no origin. Muslims should draw close to Allah by performing the obligatory and supererogatory acts of worship which He enjoined upon them. They should be thankful and grateful to Allah all the time for having a sound body, and feeling secure with regard to (Part No. 2; Page No. 261) their lives, money and children.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.