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pilinsin (pilinsin@social.076.moe)'s status on Saturday, 09-Sep-2023 21:07:50 JST

  1. pilinsin (pilinsin@social.076.moe)'s status on Saturday, 09-Sep-2023 21:07:50 JST pilinsin pilinsin
    自分だけの暦を作ってみた。
    4で割りきれる年は閏年。但し128(=2^7)で割りきれる年は平年。
    1年が12ヶ月で一ヶ月が30日。12月だけ35(36)日。一週間が5日。
    使い道?そんなの無いよ。
    In conversation about a year ago from web permalink

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