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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 case

The disputes

Competing accounts, side by side. Not a verdict.

  1. 1. What does the compared public record support about Thirteen Month Calendar?

    Position A

    Conventional readings take this as the compared record: Calendar reform literature has included affirmative discussion of adopting a thirteen-month year structure.

    Position B

    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.

In full

What does the compared public record support about Thirteen Month Calendar?

Position A

Conventional readings take this as the compared record: Calendar reform literature has included affirmative discussion of adopting a thirteen-month year structure.

Falsification · This account would be weakened if primary sources required the stronger intentional or unique-cause claim.

  • Calendar reform literature has included affirmative discussion of adopting a thirteen-month year structure.
  • Wikisource hosts a compiled work and related discussion pages under the title Thirteen-Month Calendar, including sections on calendar reform and a brief chronology of calendar periods and reform movements.
  • Julia E. Johnsen is credited as author of a work titled Thirteen-month calendar, catalogued on Open Library.
  • Assumption (moderate): Official reviews and contemporaneous reporting are the baseline for what is settled.

Position B

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.

Falsification · This account would be weakened if the affirming chain collapsed under primary-source scrutiny.

  • 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.
  • Assumption (weak): Gaps or official narrowing may hide a stronger pattern than the summary admits.

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