- Calendar Studies
Collection of articles about calendars, including the Julian and Gregorian calendars, ISO date format, lunar calendars, and the number of days in a week. Includes several proposed new calendars.
www.hermetic.ch/cal_stud.htm
- Calendar Zone: Reform Calendars
Annotated list of sites with proposed calendars and information about calendar reform.
www.calendarzone.com/Reform
- Common-Civil-Calendar-and-Time
Information about the proposed calendar reform called Common-Civil-Calendar-and-Time (C&T), which stays the same each year by inserting an extra week in some years.
henry.pha.jhu.edu/calendarDir/calendar.reform.html
- Ecliptic Calendar
The Ecliptic Calendar is designed to be a beautiful way of marking time in six scales.
www.eclipticcalendar.org
- Home Page for Calendar Reform
Dedicated to the study of changes in the calendar, with ideas for future calendar reform and information about historical reforms.
personal.ecu.edu/mccartyr/calendar-reform.html
- Perpetual Calendar, The
Article about the process of switching from the Julian to the Gregorian calendar, with a table showing when each nation made the transition.
www.norbyhus.dk/calendar.html
- Tranquility Calendar
Proposed calendar rooted in science. The Tranquility Calendar has fixed days of the week each month and 13 months named for scientists.
www.mithrandir.com/Tranquility/tranquility.html
- Wikipedia: Calendar Reform
Summary of motivations for calendar reform, with links to articles about specific calendar proposals.
en.wikipedia.org/wiki/Calendar_reform
- World Calendar
Describes the World Calendar, a 12-month, perennial calendar with equal quarters, and explains the advantages of this calendar, which stays the same each year.
www.theworldcalendar.org
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