Definitions from Wikipedia (Invariable Calendar)
▸ noun: In April 1900, Professor L. A. Grosclaude of Geneva proposed the Invariable Calendar, New Era Calendar, or Normal Calendar with 12 months and four 91-day quarters of exactly 13 weeks.
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▸ noun: In April 1900, Professor L. A. Grosclaude of Geneva proposed the Invariable Calendar, New Era Calendar, or Normal Calendar with 12 months and four 91-day quarters of exactly 13 weeks.
▸ Words similar to invariable calendar
▸ Usage examples for invariable calendar
▸ Idioms related to invariable calendar
▸ Wikipedia articles (New!)
▸ Words that often appear near invariable calendar
▸ Rhymes of invariable calendar
▸ Invented words related to invariable calendar