The month of Ramadan in 2012, in most Muslim countries began July 20 and will run until 18 August. The month of Ramadan is one of the most revered by Muslims and requires strict observance of lent. Ramadan is the ninth month in the Islamic lunar calendar. Muslims believe that the verses of the Quran were opened to Prophet Muhammad in the month of Ramadan, when he was in a spiritual retreat, located on the outskirts of Mecca cave Hira.
Ramadan is a part of the lunar calendar and the beginning of his appearance is considered to be the moon. As you know, the lunar calendar 11 days shorter than the Gregorian calendar, so every year Ramadan begins on 11 days earlier than in the previous year.