某年、某月、某经纬度下，太阳方位角、高度角、建筑物遮挡时间计算。根据附件信息，计算某住户房间(客厅)在冬至日9:00-16:00间可以享受日照的时间区间。-In a year, a month, a latitude and longitude, the sun azimuth, elevation angle, building shelter time calculation. According to the annex information, the calculation of a resident room (living room) in the winter solstice 9:00-16:00 can enjoy the time interval between the sun.