“This proposed calendar is a solar calendar based around the equinoxes and solstices, and takes...Long Summer Modified Gregorian Calendar
“The Roman calendar changed its form several times in the time between the foundation of Rome and...Roman calendar
“Also known as a Rune staff or Runic Almanac, the Runic Calendar appears to have been a medieval...Runic calendar
“The Astronomic Soli-Lunar Calendar or Astronomical Blue Moon Calendar was developped by Walter...Astronomic Soli-Lunar Calendar
“The 13-Moon Calendar has 13 months of 28 days each and a single day outside the month and week...13-Moon Calendar
“The Hermetic Lunar Week Calendar (HLWC) is a proposal for calendar reform by Peter Meyer. It is...Hermetic Lunar Week Calendar
Pages in category "Astronomic leap rule"
The following 12 pages are in this category, out of 12 total.