In Northern Hemisphere — Seasons

Finally, he moved the model again. Once more, the top leaned sideways, neither toward nor away from the torch.

“In March,” he said, “day and night balance again. The tilt is neutral. The Sun climbs higher each noon. Ice melts, seeds wake up, and the world breathes again—the Spring Equinox. And then the lean toward the Sun begins once more.” seasons in northern hemisphere

And sure enough, the great tilt kept turning, bringing spring, then summer, then the story all over again. The seasons in the Northern Hemisphere are caused by Earth’s 23.5-degree axial tilt as it orbits the Sun. When the North Pole tilts toward the Sun → summer (direct rays, long days). When it tilts away → winter (indirect rays, short days). Equinoxes (spring/autumn) occur when the tilt is sideways, giving equal day and night. Finally, he moved the model again