Is.winter — When

A common point of confusion is why the winter solstice (the shortest day) is not the warmest day, and why the coldest weather typically arrives weeks later, often in January or February.

October 26, 2023 Subject: A Comprehensive Analysis of the Timing and Definition of Winter

Astronomical winter concludes at the .

The calendar definitions of winter often clash with local reality. "When is winter?" depends heavily on latitude and altitude.