China longitude and latitude range

The value range of global longitude and latitude is: latitude-90 ~ 90, longitude-180 ~ 180 China's latitude and longitude ranges from 3.86 ~ 53.55, longitude 73.66 ~ 135.05 the latitude of the Beijing Administrative Center is 39.92, And the longitude is 116.46
The greater the local latitude value in the north, the greater the latitude value in the East, the greater the latitude value is. The greater the latitude value is, the greater the latitude value is. The degree unit data is converted to the degree unit data. The formula is degree = degree + minute/60. For example: longitude = 116 ° 20. 12', latitude = 39 ° 12. 34 'longitude = 116 + 20.12/60 = 116.33533 ° latitude = 39 + 12.34/60 = 39.20567 ° minute-Second Conversion: converts the degree-second unit data to the degree-unit data, formula: degree = degree + minute/60 + seconds/60/60 For example: longitude = 116 ° 20' 43 ", latitude = 39 ° 12 '37 "longitude = 116 + 20/60 + 43/60/60 = 116.34528 ° latitude = 39 + 12/60 + 37/60/60 = 39.21028 °