January 31 February 30 March 30 April 31 May 30 June 30 July 31 August 30 September 30 October 31 November 30 December 30
In addition to the 364 days that belong to these months are Worldsday at the end of the year and Leapday between June and July in a leap year. The week is modified so these two days do not belong to the week and every year begins on a Sunday.
More information is available at http://personal.ecu.edu/mccartyr/world-calendar.html and http://theworldcalendar.org/
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