入伏是哪一天

显示全部楼层 · 2011-8-17 06:30:54

入伏，意指进入三伏天。“夏至三庚数头伏”，这是确立初伏的依据入伏日期和中伏天数百年统计表年份头伏日期中伏天数19007.162019017.2119027.162019037.2119047.152019057.2019067.152019077.2019087.142019097.1919107.142019117.192019127.132019137.182019147.132019157.182019167.122019177.172019187.122019197.172019207.2119217.162019227.2119237.162019247.2019257.152019267.2019277.152019287.1919297.142019307.1919317.142019327.182019337.132019347.182019357.132019367.172019377.122019387.172019397.122019407.162019417.2119427.162019437.2119447.152019457.2019467.152019477.2019487.142019497.1919507.142020007.112020017.162020027.112020037.162020047.2020057.152020067.2020077.152020087.1920097.142020107.1920117.142020127.1820137.132020147.1820157.132020167.172020177.122020187.172020197.122020207.162020217.112020227.162020237.112020247.152020257.2020267.152020277.2020287.142020297.1920307.142020317.1920327.132020337.1820347.132020357.1820367.122020377.172020387.122020397.172020407.112020417.162020427.112020437.162020447.2020457.152020467.2020477.152020487.1920497.142020507.19通过对上世纪的前50年和本世纪的前50年入伏和中伏天数的统计，由此看出：1，入伏在7月11日至7月21日之间；2，入伏在7月17日之前的，中伏都是20天；3，入伏在7月20日之后的，中伏都是10天；4，入伏为7月18日、19日的，中伏多数是10天，少数是20天。

千问 · 2011-8-17 06:30:54

千问 · 2011-8-17 06:30:54