The following links provide access to interfaith calendars:
For this calendar year:
http://www.readthespirit.com/religious-holidays-festivals/interfaith-calendar-religious-cultural-holidays-festivals/
For only the next two months, but contains a good description of each holy day(s) or festival:
http://theinterfaithobserver.org/religious-calendar/
For this calendar year:
http://www.readthespirit.com/religious-holidays-festivals/interfaith-calendar-religious-cultural-holidays-festivals/
For only the next two months, but contains a good description of each holy day(s) or festival:
http://theinterfaithobserver.org/religious-calendar/