Wikimedia
Wikipedia: The Hebrew, or Jewish, Calendar
An encyclopedia entry about the Jewish calendar with information on the history of the calendar as well as on the modern Jewish calendar, which dates from 3761 BCE. Names of the months, length of the months, leap years, and similar...
Metropolitan Museum of Art
Metropolitan Museum of Art: The Hours of Jeanne D'evreux
Examine a book of hours, or prayer book, made for French queen Jeanne d'Evreux in the early 14th century at this Metropolitan Museum site. Illustrations, closeups, and explanatory annotations populate the site, which is especially...
Other
Chabad Lubavitch: The Jewish Calendar
A storehouse of resources about the Jewish calendar from the educational wing of the Lubavitch Hasidim movement. Choose to view information about particluar holy days. View a current calendar page (by day, week, or month) to see events...