changing seasons; turn of the seasons
Refers to the natural progression or transition from one season to the next, often evoking a poetic or reflective tone.
See also: 移り変わり (うつりかわり)
I take a walk while feeling the changing of the seasons.
This painting beautifully depicts the transition of the seasons.
A more general term for 'change' or 'transition'; 季節の移り変わり specifically refers to seasonal change.
Compound of 季節 (season) + の (possessive particle) + 移り変わり (change, transition). The phrase is transparent and follows standard Japanese compounding.