Masjid Darul-Qur'an is a mosque in Chicago that serves its community through prayers, classes, lectures, and religious programs. Source notes mention prayer time updates, community classes, Sunday lectures by Shaykh Ibrahim Zidan on Kitab At-Tawheed, special guest programs, and donation support for the masjid, as well as access to Taraweeh and Qiyam videos and a WhatsApp group for community updates.