When Do The Four Seasons Start And End __top__

When Do the Four Seasons Start and End? — A Deep Dive

Seasons shape what we eat, how we work, where we travel, and even how cultures mark the year. But “when” seasons start depends on which definition you use — astronomical, meteorological, or cultural — and on where you are on Earth. This post explains each system, why they differ, and what those differences mean for weather, ecosystems, culture, and everyday life.

Most people are familiar with the astronomical seasons. These are defined by the Earth's position relative to the sun. Because the Earth is tilted on its axis at roughly 23.5 degrees, different parts of the planet receive varying amounts of sunlight throughout the year. when do the four seasons start and end

In the Southern Hemisphere:

Winter (Astronomical)

• Start: The Winter Solstice
• End: The Vernal Equinox
• Typical Dates: December 20–23 to March 19–21