http://library.wciu.edu/links/ Recent bookmarks posted to Latourette Library Internet Research Links 60 http://www.rabiah.com/convert/ Convert an Islamic calendar Hijri date ('the Islamic calendar. It started in the moon year in which prophet Mohammed immigrated from Makkah to Madinah') to the Gregorian date or vice versa. From a computer scientist.. (Copyright 2006 by Librarians' Internet Index) admin Sat, 13 Jan 2007 08:30:54 +0000 calendar: gregorian calendar: islamic calendars faiths gregorian calendar islam islamic calendar september 11 2001 http://www.fourmilab.ch/documents/calendar/ '... interconvert dates in a variety of calendars, both civil and computer-related.' Includes Gregorian, Julian, Hebrew, Islamic, Persian, Mayan, Baha'i, Indian Civil, French Republican and other calendars.. (Copyright 2006 by Librarians' Internet Index) admin Fri, 10 Nov 2006 08:30:52 +0000 baha'i calendar calendar converter day of year excel serial day number french republican calendar gregorian calendar hebrew calendar indian civil calendar islamic calendar iso-8601 week and day julian day mayan calendars persian calendar unix time value http://scienceworld.wolfram.com/astronomy/LeapYear.html An easy-to-understand scientific background on the concept of a leap year. Has illustrations and links to information on related astronomical events such as leap day, the calendar, seasons, vernal equinox, tropical year, century, and Gregorian, Iranian, and Julian calendrical systems. (Librarian's Internet Index). (Copyright 2006 by Librarians' Internet Index) admin Fri, 20 Oct 2006 07:30:54 +0000 calendars century gregorian calendar iranian calendar julian calendar leap year seasons tropical year vernal equinox