13 month calendar. On the 13 moon calendar the big numbers 1 through 28 are the day of the moonmonth. The 13 month 28 day alternative has been in use on this planet for more than 6000 years. Each date will have the same day of the week every year. Microsoft word document template is compatible with google docs openoffice writer and libreoffice applications.
This is often accomplished by creating a calendar that has 13 months of 4 weeks 28 days each making 364 days. In prehistoric india and china and throughout south america it was the standard time keeping system. A 13 month lunar calendar with solar dates. Printable word pdf calendar template details.
Monthly calendar shows only 1 month at a time custom calendar make advanced customized calendars printable calendar pdf calendars especially made for printing. The 13 moon calendar synchronizes solar and galactic cycles on july 26 correlating with the star sirius. The earliest known proposal of this type was the georgian calendar 1745 by rev. Some calendar reformers seek to equalize the length of each month in the year.
This printable document is available as editable word pdf template. It makes this orbit 13 times each year. The winter solstice is always on 1 january. Every moon in the 13 moon calendar has exactly 4 seven day weeks which is 28 days.
The international fixed calendar also known as the cotsworth plan the eastman plan the 13 month calendar or the equal month calendar is a solar calendar proposal for calendar reform designed by moses b. A 13 month calendar with an improved leap year rule. It was based on a 364 day year which included the one or two blank days that abbe mastrofini an italian roman catholic priest had devised 15 years beforeeach of the 13 months had 28 days and exactly four weeks. The essenes egyptians polynesians maya inca lakota and cherokee used a 13 month 28 day calendar.
The 13 month calendar was devised by auguste comte in 1849. The standard of measure is the 28 day cycle called a. Monday is the first day of the week month and year.