“In April 1900, Professor L. A. Grosclaude of Geneva proposed the Invariable Calendar, New Era...Invariable Calendar
“The Enoch calendar is an ancient calendar described in the pseudepigraphal Book of Enoch. It...Enoch Calendar
“The Fixed Quarters Calendar is a proposed non-perpetual solar calendar. It was created by Mirla...Fixed Quarters Calendar
“The ISO Uncia Calendar is a proposal to incorporate the week numbering rules of ISO 8601 into an...ISO-Uncia Leap Week Calendar
“Most of the advantages and disadvantages of the Edwards perpetual calendar are identical to...Edwards perpetual calendar
Pages in category "30:30:31"
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Media in category "30:30:31"
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