天气预报 > 其他 > 数伏从哪一天开始
数伏从哪一天开始
更新时间: 2020-11-11 00:00:00  

数伏的时间是按照农历来计算的,每年入伏的时间不固定,中伏的长短也不相同。因此,“夏至三庚数头伏”也就是从夏至开始,依照干支纪日的排列,第3个庚日为初伏,第4个庚日为中伏,立秋后第1个庚日为末伏。庚日出现的早晚将影响中伏的长短,当夏至与立秋之间出现4个庚日时中伏为10天,出现5个庚日则为20天,也由此出现有些年份伏天共30天,有些年份伏天共40天的情况。

关键词: 开始

数伏从哪一天开始相关经验

天气预报

最新推荐

页面:/news/view-460731/ | 耗时:0.7505 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=460731 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=460731 LIMIT 0,1
select * from tbl_Articles_sphinx where id=460731 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2405060,2838786,1972171,1113297,2134583,2006727,1124358,184159,1594529,2957514,1858323,3258841,1778041,1121040,1275346,1084865,3205111,1275264,3280442,2084398,1127831,1084471,1126736,2590155,2619758,1125568,1077621,458584,2812248,1893382) ORDER BY field (ArticleID,2405060,2838786,1972171,1113297,2134583,2006727,1124358,184159,1594529,2957514,1858323,3258841,1778041,1121040,1275346,1084865,3205111,1275264,3280442,2084398,1127831,1084471,1126736,2590155,2619758,1125568,1077621,458584,2812248,1893382)