Proposed calendars Proposed calendars Various reforms to the Gregorian calendar currently used by most of the world have been proposed. ...more on Wikipedia about "Calendar reform"
The Common-Civil-Calendar-and-Time Calendar (C&T) is a proposal for calendar reform. It is one of many examples of leap-week calendars , calendars which maintain synchronization with the solar year by intercalating entire weeks rather than single days. ...more on Wikipedia about "Common-Civil-Calendar-and-Time"
The Darian Calendar is a system of time-keeping designed to serve the needs of any possible future human settlers on the planet Mars. It was created by aerospace engineer and political scientist Thomas Gangale in 1985 and named by him after his son Darius. ...more on Wikipedia about "Darian calendar"
The International Fixed calendar (also known as the International Perpetual calendar, the Cotsworth plan, the Eastman plan, the 13 Month calendar or the Equal Month calendar) is a proposal for calendar reform providing for a year of 13 months of 28 days each, with one day at the end of each year belonging to no month or week. ...more on Wikipedia about "International Fixed Calendar"
The positivist calendar was a calendar reform proposal by Auguste Comte in 1849. After revising the earlier work of Marco Mastrofini, Comte's proposed calendar was a solar calendar which had 13 months of 28 days, and an additional festival day commemorating the dead, totalling 365 days. This extra day added to the last month was outside of the days of the week cycle, and so the first of a month was always a Monday. On leap years an additional leapday to celebrate holy women would join the memorial day of the dead. The scheme followed the Gregorian calendar's rules for determining which years are leap years, and started on January 1. Year 1 "of the Great Crisis" according to this calendar would be equivalent to the year 1789 in the Gregorian system. Much like Comte's other schemas, the positivist calendar never enjoyed widespread use. ...more on Wikipedia about "Positivist calendar"
The 13-month Sol Calendar is a proposal for calendar reform by Jim Eikner of Austin, Texas, providing for a year of 13 months in length, with 12 contiguous months having 28 days each, with the final month of the year, December, having 29. December would have 30 days in leap years. ...more on Wikipedia about "Sol Calendar"
Swatch Internet Time is a concept introduced in 1998 and marketed by the Swatch corporation as an alternative measure of time. One of the goals was to simplify the way people in different time zones communicate about time, mostly by eliminating time zones altogether. ...more on Wikipedia about "Swatch Internet Time"
The Symmetry454 Calendar (Sym454) is a proposal for calendar reform proposed by Dr. Irv Bromberg of the University of Toronto. It is a perpetual solar calendar that conserves the traditional 7-day week, has symmetrical equal quarters, and starts every month on Monday. ...more on Wikipedia about "Symmetry454"
The 30x11 (Thirty-eleven) Calendar is a calendar reform of the Gregorian calendar proposed by Stephen Abbott, a public relations consultant and writer in Manchester, New Hampshire. ...more on Wikipedia about "The 30x11 Calendar"
The World Calendar is a proposed reform of the Gregorian calendar created by Elizabeth Achelis of Brooklyn, New York in 1930. ...more on Wikipedia about "World calendar"
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