dannychowgithub Goto Github PK
Name: DannyChow
Type: User
Location: China
Name: DannyChow
Type: User
Location: China
soft-forking from openbilibili/go-common
日历中吉凶爬虫
🚀A robust, performance-focused and full-featured Redis client for Node.js.
哔哩哔哩后台源码
前言: 由于三体运动(主要地球、太阳、月球)无法准确预测,目前二十四节气依然还是靠天文台观测,Yovey使用传说中[Y*D+C]-L方法实际有很多天数不准,def getSolarTerms(_date)12个if嵌套判断让代码变得十分冗余,由简书网友“大咖_247c”首先发现计算不准问题…… 方案过程: 1、在校验过数据与公式差异后,第一方案是采用15%黄经夹角计算,计算后差异依然存在,地球椭圆形轨道一年内公转速度差异超过7%; 2、在发现椭圆轨道问题后,尝试使用平均值、开普勒第二定律计算行星轨道,计算值已经十分贴近了,但依然和香港天文台数据有差异,恍然大悟,地球、月亮、太阳三个天体呈现无法完美预测的三体运动,甚至还包括木星引力影响(比如传说中九星连珠,虽然引力抵消微弱),而且太阳本身也在运动,地球和太阳的质量也不是永恒不变的,这就导致地球的恒星年相对稳定,但回归年浮动振荡; 3、当试过所有技术物理原理还无法调节误差后,最终使用了Chen Jian的核心设计理念,添加了十六进制加存二十四节气。 # coding=UTF-8 # 1901~2100年农历数据表 # Author: cuba3 # base code by Yovey , https://www.jianshu.com/p/8dc0d7ba2c2a # powered by Late Lee, http://www.latelee.org/python/python-yangli-to-nongli.html#comment-78 # other author:Chen Jian, http://www.cnblogs.com/chjbbs/p/5704326.html # 数据来源: http://data.weather.gov.hk/gts/time/conversion1_text_c.htm
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China tencent open source team.