Have you wondered where the sun will be?

With the position of the sun, you can

• Photography: find the best time taking your photograph.
• Travelling: avoid the strong sunlight.
• Curiosity: learn the sun’s trajectory in the sky.
• Learning: For different parts of the world, see when the sun rise and set, and how high it is during the day.
  ** e.g. check out Greenland, Antarctica, or countries on the equator!
• …

With “insolation”, the amount of sunlight coming through a window, you can

• If you’re finding a place to live, figure out what’s the implication of the window facing.
• Understand why your room is warmer/cooler at certain times of a day