Home

About Calendar Wiki

This is a site all about calendars - historical ones, new ones, and discussions about them: for the scientist, astronomer and the calendar enthusiast. To write a new Calendar Wiki article, enter the page title in the box below. You should read the guidelines for contributors before creating an article. If you are new to wikis, you may want to try the tutorial on the Central Wikia. There is also a list of all help pages.

Featured Calendar

Welcome to Calendar of International(COIN)! COIN is the abbreviation of Calendar Of InterNational. Several types of calendar reforms are proposed. But we are currently adopted to Gregorian Calendar as International civil calendar. New type of calendars changes the gregorian calendar dates by adding the leap day in the end of 6 months. But in COIN only two gregorian dates are changed from normal year to leap year. Two new weekdays introducedin addition to traditional 7 day weeks. Uranday (Uranus day) accounts additional weekday in a year (365th day). It keeps the weekdays of other dates to be permanently fixed. Nepday (Neptune Day) accounts the weekday of leap day.

Where to start

What is a calendar? Stop by our general article to find out. Here are some good places to start learning about calendars: Current calendars Historic calendars Proposed calendars Calendar reform (proposed reforms to the Gregorian calendar) Prospects of such reform Software

User blogs

Latest: Crissov • 4 May 2023 1 Possible dates for a fixed Easter The date of Easter and its lunisolar computation Computus is of central importance to many Christian churches. It is historically linked to the Jewish holiday of Pessach, Passa or Passover, which begins th… Read Full Post Arivumani1 • 30 March 2020 1 New Weekdays for Perpetual Calendars Today we are using Classical planets, Sun, Moon, Mars, Mercury, Jupiter, Venus and Saturn as weekdays Sunday, Monday, Tuesday, Wednesday, Thursday, Friday and Saturday respectively. Modern planets U… Read Full Post Loco123456 • 10 March 2019 1 Thomas and the Magic Railroad - The Lost Edition Petitoin: Please Sign Hello everybody, A nonprofit organization called "Restore the Magic" needs help in getting 10,000 signatures on their petition. The petition is to help get the director's cut of "Thomas and the Magic … Read Full Post See more >