Feng Shui

Free Tool

Solar Exposure Analysis

Which facade gets the most light? The answer shapes your qi.

Sunlight is yang energy. A south-facing facade in the northern hemisphere captures the most winter sun — critical for maintaining yang during the yin season. This tool shows you exactly how many hours of direct light each facade receives across all four seasons.

Try an example

Step 1 of 2: Where is the building?

Step 1 of 2

Where is the building?

Search a city or address, or use your current location. The sun's path depends on latitude.

Boston area (sample)

42.3700°, -71.1000°

Enter coordinates instead

What This Tool Does

  • +Calculates sun hours per facade per season
  • +Shows a polar chart of seasonal exposure
  • +Identifies the best-lit facade
  • +Assesses the front-to-back yang gradient

How to Use

  1. 1Enter your latitude
  2. 2Select the facing direction
  3. 3See the seasonal sun hours for all four facades

Classical Basis

“A yang dwelling must be sited on chosen terrain, with mountain behind and water before, to satisfy the human heart.”

Source: Yang Zhai Shi Shu (陽宅十書)

Common Use Cases

  • +Evaluating if a property gets enough winter sun
  • +Understanding seasonal light changes for planting
  • +Assessing which rooms will be brightest

Now read your whole home.

Enter your address. Feng Shui reads the land, the building and every room, then tells you exactly what to move, fix and add.

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