90 = slats run east–west, 0 = north–south. Long east–west slats block the high midday sun; north–south slats block low morning and evening sun.
Shade now–
Sun profile angle–
Full shade below–
Full shade today–
Section across the slats
Shade through the day
Plan
Hour by hour
| Time | Sun altitude | Azimuth | Profile angle | Shade |
|---|