Home▸Physics & Mechanics▸Seasons: Axial Tilt, Solar Declination, Day Length and Daily Insolation (2D)

🌍 Seasons: Axial Tilt, Solar Declination, Day Length and Daily Insolation (2D)

2D companion of the 3D seasons simulator: solar declination, sunrise hour angle, day length and top-of-atmosphere daily insolation for any latitude, tilt and orbital eccentricity.

Physics & Mechanics2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

2D companion of the 3D seasons simulator: solar declination, sunrise hour angle, day length and top-of-atmosphere daily insolation for any latitude, tilt and orbital eccentricity.

seasonsaxial-tiltinsolationsolar-declinationday-length

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install