万年历可以查找任何一年的公历，方便，快捷，希望大家拧喜欢-hefty almanac can find any year of the Gregorian calendar, convenient, fast, we hope that shakes like

SunTime类依据Nautical Almanac Office在1990年公布的历法,提供了计算指定地点日出和日落的时间的算法(网络代码)-The SunTime class calculates the sunrise and sunset time at a given location/global position. This class implements an algorithm found in Almanac for Computers (1990) published b