www.sacredlearning.org

zainabcenter.org

www.darsequran.com

www.Shariahboard.org

www.icna.org

www.isna.net

www.madania.org/english/index.php

www.islam.tc/ask-imam/index.php

www.hilalcommittee.org
www.islamicmoon.com
www.hilalsighting.org
www.moonsighting.com
www.hilal-sighting.com
www.icoproject.org/index.html

Astronomical

www.astro.utoronto.ca
www.hia-iha.nrc-cnrc.gc.ca/cadc/main_e.html
www.Stardate.org/nightsky/moon
www.astronomy.com