Ramadan
According to authorities, in the United States today is the first day of the ninth month, Ramadan, in the Islamic calendar. The Islamic calendar is a lunar-based, rather than solar-based system and is tied to sightings at your particular location, so it doesn’t always coincide with the same solar day world-wide.
This is a brief description of the month of fasting and the reasons for it, with more details and links at Wikipedia.
Unfortunately, in recent years, Ramadan has signified an increase in violence in the Middle East.