Java needs to work properly.
As the year progressed, the planet related to the Sun changed the light of the day due to earth's orbits and waves.
The Daylight Chart is a free open source application for Windows that lets you show daylight for any city in the world.
You will see an example of how to change the light across the day, including where the sun rise and set.
You can add your city or current location by entering tall and lathe.
Daylight Chart is a tool that has both academic and cultural value.