Hebrew Calendar Science and Myths	Links to many articles on the subject.
Jewish/Civil Perpetual Calendar	Offers parallel Jewish and Civil calendars for any year.
Judaism 101 - Current Calendar	A calendar for the current three months, with links into pages in the Judaism 101 site about the current holidays, sabbath, and torah readings.
Personalized Jewish Calendars	Create a completely personalized full-color Hebrew/English Calendar, highlighting your own photos and dates (birthdays, anniversaries, etc.) Makes a great gift, especially for grandparents!
Today's Hebrew Date	Calculates and displays in English and Hebrew. Also a thorough explanation of the Hebrew calendar.
Today's Hebrew Date	Uses a javascript program to show today's Hebrew date.
Zemanim Calculator	Worldwide Zemanim Calculator
Perpetual Interactive Calendar	From JewishPeople.com.