1.   Because the Muslim calendar is tied to the lunar calendar, Ramadan begins on a different day each year.

2.   He added that that the exact dates might differ slightly according to the Muslim calendar.

3.   Passengers said the cars were especially full of children because so many families were headed south for the most important feast day of the Muslim calendar.

4.   Ramadan always begins in the ninth month of the Muslim lunar calendar.

5.   Ramadan carries added significance here this year, as many Iraqis believe the United States could not continue missile attacks during the holiest period on the Muslim calendar.

6.   Pakistani President Pervez Musharraf and other Muslim leaders fear a strong backlash if non-Muslim America continues bombing Islamic Afghanistan during the holiest month of the Muslim calendar.

7.   Palestinians called for a general strike Tuesday, the anniversary of the massacre according to the Muslim calendar.

8.   Friday marked the third anniversary of the Hebron mosque massacre according to the Muslim lunar calendar.

9.   Ramadan is the ninth month of the Muslim lunar calendar.

10.   Shaukat, an astronomer and research physicist with the U.S. Nuclear Regulatory Commission, operates the www.moonsighting.com Web site to inform believers about the Muslim calendar.