To modern time measure, people divide the surface of the earth into 24 time zones according to longitude lines. This method was established by the International longitude Conference in 1884.
到了近代，将地球表面按经线等分为24个时区，这是由1884年国际经度会议制定的。
2
This method performs its conversion by calling various methods to get the latitude and longitude zone and calculating the easting and northing and so on.
该方法执行转换的方法为：调用各种方法获得经纬度区，然后计算以东和以北值，等等。
3
I am using Google maps projection method to calculate the distance between two latitude and longitude.