Horizontal Sky Part II: Day and night
You can see the planets together with the sun during the day. This is to show where the plantes are relative to the sun.
Of course in real life you can only see the sun and moon during the day.

If you look at the data screen you can see this:

Yellow means the planet or sun is above horizon, grey indicates below horizon.
The altitude shows you exactly how many degrees the planet/sun/moon is above horizon.
90 degrees would be on top of you (zenith) and 0 degreens is the horizon.
The Azimuth shows you the direction:
Preferences set to North = 0, South = 180: 0 North 45 Northeast 90 East 145 Southeast 180 South 225 Southwest 270 West 315 Northwest 360 North Preferences set to North = 180, South = 0: 0 South 45 Southwest 90 West 135 Northwest 180 North 225 Northeast 270 East 315 Southeast 360 South
During sunset, the blue gets darker:

Is the sun about 6 degrees below horizon, the stars apear on the screen:
