Home

Calendar Wiki

Welcome to the 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.

Featured article

It is a perpetual solar calendar that conserves the traditional 7-day week, has symmetrical equal quarters, and starts every month on Monday. All months have a whole number of weeks, so no month ever has a partial week. Each day number within a month falls on the same weekday in all months. All holidays, birthdays, anniversaries, etc. are permanently fixed. All ordinal day and week numbers within the year are also permanently fixed.

Where to start

• If you are new to wikis, you may want to try the tutorial on the Central Wikia
• What is a calendar? Stop by our general Calendar article to find out.
• A list of all help pages can be found at Category:Help

Here are some good places to start learning about calendars:

• Calendars Currently In Use
• Historical Calendars No Longer in Use
• Alternative and Proposed Calendars
• Calendar reform (proposed reforms to the Gregorian calendar)
• The Prospects for Calendar Reform
• Calendrical software

Some future proposed pages (feel free to click the link and start them):

• Technical chronology
• Calendrical algorithms
• Calendar era
• Time zone
• Solar year
  • Equinox
  • Solstice
• Lunar month
  • New moon
  • Full moon