Jewish Holidays by Mazornet
Jewish holidays, celebrations, customs, and traditions. From Rosh Hashana and Yom Kippur to Purim, Passover, and Shavuot. Features a calendar with Hebrew and Gregorian dates for the coming year.
http://www.mazornet.com/jewishcl/Holidays/holidays.asp

Yizkor
Online Yahrzeit email reminder service and memorial. Information on memorial customs, Memorial prayers in Hebrew, English with transliteration.
http://yizkor.ort.org

Jewish Holidays at Aish
Portal to all major and minor Jewish holidays with a short, introductory description, leading to dedicated sections. Features upcoming holiday. By Aish Hatorah.
http://www.aish.com/holidays/

The Holidays at Ohr Samayach
Directory, featuring articles and observance guides. By Ohr Samayach.
http://ohr.edu/yhiy.php/holidays/

Yom Tov - Classes on the Jewish Holidays
Online collection of articles on the Yomim tovim, directed by Rabbi Yehudah Prero. Graphical listing of the holidays. By Torah.org.
http://www.torah.org/learning/yomtov/index.html

Guide to the Jewish Year
An introduction to the events of the Jewish year, covering holidays and fastdays.
http://members.aol.com/LazerA/jewyear.html

Chabad.org Candle Lighting Times for Shabbat and Holidays
Find Shabbat and Holiday candle lighting times for any date in city in the world. Search by City, ZIP or Latitude/Longitude.
http://www.chabad.org/calendar/location.asp?AID=6226

Jewish Holidays at Chabad.org
Portal to collection of Jewish holiday websites by Chabad.org. Detailed guides to all observances.
http://www.chabad.org/article.asp?AID=46093

Virtual Jerusalem - The Jewish Year
Information on the history and customs of holidays as well as recommended reading for each Holy day.
http://www.virtualjerusalem.com/jewish_holidays/vjholidays.html

Jewish Holidays and Festivals
Guide to Jewish holidays, festivals and fasts.
http://www.religionfacts.com/judaism/holidays.htm

Being Jewish holiday gateway
Holiday gateway, associated with the Being Jewish web site.
http://www.beingjewish.com/yomtov/