My house is two small high-rise building, South, South 30 meters is a 11 layer of 12 houses, the normal height of 2.9 meters, 2 meters thermocline, would like to ask, so the floor space, the winter solstice can probably be my sunshine long time, sunshine time in which several times, my home is the first unit of the two floor of the east. There are no buildings in the East, but it is the wall of the community.118 degrees east longitude, latitude 31. 38.I'd like to know the date of the shortest day, how long it takes, how long it is and what time it is.
The specific location (latitude and longitude) of your home should be provided and the sunshine angle in the East can be calculated.
Floor spacing and floor height ratio is generally not less than 1:1 or 1.2:1., so you know it yourself!
There is no sunshine after 2. My home is in Beijing. Time is short by the South
