AI overview
January is the first month of the year in both the Julian and Gregorian calendars, containing 31 days and beginning with New Year's Day. It matters because it marks the start of the calendar year and represents opposite seasons in the two hemispheres—typically the coldest month in the Northern Hemisphere and the warmest in the Southern Hemisphere.
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- 15th-century unknown painters - Grimani Breviary - The Month of January - WGA15775.jpg
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Article · 中文
1月是公历年中的第一个月，是全年第一個大月，共有31天。 在北半球，1月是冬季的第二个月。該月的节气：小寒、大寒；在南半球，1月是夏季的第二个月。 英文中的1月（January）来源于古罗马的双面神雅努斯（Janus）。
Abstract from DBpedia / Wikipedia · CC BY-SA