Ummalqura Calendar

"They ask thee concerning the New Moons. Say: they are but signs to mark fixed periods of time in men, and for pilgrimage"- The Holy Koran, Al-Baqara, Verse 189. "The number of months in the sight of Allah is twelve ― so ordained by Him the day He created the heavens and the earth; Of them four are sacred; That is the straight usage.