The Interfaith Calendars resource is an online tool that provides links to selected interfaith calendars.
Note: The order of the content displayed belowe is based on how recent it is.
Calendar of Religions by Agora Publishing (Calendrier Des Religions)
The Calendrier Des Religions by Agora Publishing is site allowing users to freely consult a calendar of the main civil and religious holidays (over the months or by tradition). It is even possible to subscribe to be informed of upcoming dates.