Fasting is not unique to the Muslims.  It has been practiced for centuries in connection with religious ceremonies by Christians, Jews, Confucianists, Hindus, Taoists, and Jains.  God mentions this fact…

Islam uses a lunar calendar—that is, each month begins with the sighting of the new moon, therefore because the lunar calendar is about 11 days shorter than the solar calendar,…

Among the blessings and favors that God has bestowed upon humanity is that He endowed them with an innate ability to recognize and acknowledge His existence.  He placed this awareness…