Select your city in the Your location tab. The location is required to calculate the Sun and the Moon rise/set, azimuth and plants height on the horizon.

If it is not in the list, you may enter latitude and longitude of your location. The altitude above the land surface influence the Sun and the Moon rise/sets and can be positive (you are in the high-rise block, on the mountain) and negative (you are at the mountain valley)

For quicker choice use a filter. When it is active, only cities of one region are in the list. After clicking the filter the dropdown list appear, where mainlands and countries are shown as a tree. The daughter element of the mainlands are countries and regions, the smaller formations.

User's Additions in the filter are the cities you’ve added yourself.

To add your city which will be viewed in the filter User's Additions, type new populated location name, chose positions, altitude on the horizon and click Add the city.