• A perennial calendar is a calendar that applies to any year, keeping the same dates, weekdays and other features. Perennial calendar systems differ from...
    10 KB (1,363 words) - 00:01, 5 October 2023
  • in 1902. The International Fixed Calendar divides the year into 13 months of 28 days each. A type of perennial calendar, every date is fixed to the same...
    11 KB (1,398 words) - 01:34, 7 October 2024
  • allowing benefits of a perennial calendar to be shared by all. Some calendar reform ideas, such as the Pax Calendar, Symmetry454 calendar and the Hanke–Henry...
    27 KB (3,730 words) - 09:54, 10 July 2024
  • of Brooklyn, New York in 1930. The World Calendar is a 12-month, perennial calendar with equal quarters. Each quarter begins on a Sunday and ends on a...
    17 KB (1,597 words) - 13:54, 22 December 2023
  • calendar more accurate, the Hanke–Henry Permanent Calendar focuses on making the calendar perennial, so that every date falls on the same day of the week...
    21 KB (2,168 words) - 14:57, 2 May 2024
  • proposed reforms to the civil calendar, in order to achieve a perennial calendar. Some, however, such as the ISO week date calendar, are simply conveniences...
    4 KB (603 words) - 18:13, 2 August 2023
  • The Pax calendar was invented by James A. Colligan, SJ in 1930, as a perennializing reform of the annualized Gregorian calendar. The common year is divided...
    7 KB (867 words) - 21:22, 15 July 2023
  • for the next year. With perennial calendars, the same representation of the year serves for every year. Perpetual calendars, in this context, are computation...
    3 KB (433 words) - 11:54, 28 March 2023
  • Thumbnail for Perpetual calendar
    the International Fixed Calendar and the Pax Calendar. Technically, these are not perpetual calendars but perennial calendars. Their purpose, in part...
    26 KB (1,363 words) - 06:09, 24 June 2024
  • and July 1 on leap years. This model would be a perennial calendar, with each date occurring perennially on the same day of the week. Grosclaude lists many...
    6 KB (311 words) - 09:49, 5 March 2024