When Do The Seasons Start -

The North Pole tilts at its maximum angle away from the Sun.

Tied to ancient calendars, consistent year to year within a day. Cons: Doesn’t match local weather; can feel “late” (e.g., astronomical winter starts near Christmas, but cold often begins earlier). when do the seasons start

Based on observable natural events (first frost, blooming, leaf change) or solar longitude (e.g., traditional Chinese Lìchūn – spring starts around Feb 4). Examples: The North Pole tilts at its maximum angle away from the Sun