Ramadan which occurs
during the ninth month of the Islamic calendar begins July 19 and lasts until
August 18, 2012. Ramadan is the Islamic month of fasting, where participating
Muslims do not eat or drink during daylight hours. This is done to teach Muslims
about patience, spirituality, humility and submissiveness to God. The dates of
Ramadan vary, moving backwards by about eleven days each year depending on the
moon.
Source: http://en.wikipedia.org/wiki/Ramadan