Ramadan
Enough faith to fast? A Ramadan diary, Greetsomeone.com, Holy Ramadan, Holy Ramadhaan - One Stop for whole month, Infoplease.com: Ramadan, International Journal of Ramadan Fasting Research, Radio Ramadhan, Ramadan and Islam, Ramadan on the Net, Ramadan Resources for Children
Moonsighting.com
Information on sighting of the moon for every month and Eid dates. Includes articles (including a critical analysis of on-line prayer time calculators) by Khalid Shaukat, a consultant to Islamic Society of North America.