2022-01-13 2022.01 月相カレンダー Astronomical observation Wolfram Cloud 2022.01 月相カレンダー 2022.01 Wolfram Cloud Document https://www.wolframcloud.com/download/s21131008/Published/create-a-moon-phase-calendar.nb 参考 https://www.wolfram.com/mathematica/new-in-10/time-series/create-a-moon-phase-calendar.html.ja?footer=lang