Speculative theory
Thirteen Month CalendarAtlas
Conventions & Standards · Timekeeping & calendars
Calendar reform literature has included affirmative discussion of adopting a thirteen-month year structure. Some religious calendar teachings contrast twelve-month and thirteen-month year models and present a thirteen-month pattern as tied to a creation or scriptural calendar.
Open the caseInvolved
concept
Amharic calendar
document
Calendar art : thirteen days, weeks, months, and years from around the world
concept
Calendar reform
person
Chimdindu Ken-Anaukwu
concept
Ethiopian calendar
person
Julia E. Johnsen
person
Leonard Everett Fisher
organization
NKENNE
organization
The Creators Calendar
concept
Thirteen-month calendar
document
Thirteen-month calendar (Johnsen)
document
Thirteen-Month Calendar (Wikisource)
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