# Winter Solstice: Earth's Southernmost Solar Dance
Published: December 21, 2025
Duration: 1:59
# This is your Astronomy Tonight podcast.
**December 21st: The Winter Solstice – When the Sun Takes Its Southernmost Bow**
Well hello there, stargazers! Today we're celebrating one of the most astronomically significant days of the year – the Winter Solstice!
On December 21st, we reach the astronomical winter in the Northern Hemisphere (and summer in the Southern Hemisphere, you lucky folks down under). But what makes this day so special? Let me paint you a cosmic picture.
The Winter Solstice occurs when the Earth's axial tilt reaches its maximum angle *away* from the Sun – about...
**December 21st: The Winter Solstice – When the Sun Takes Its Southernmost Bow**
Well hello there, stargazers! Today we're celebrating one of the most astronomically significant days of the year – the Winter Solstice!
On December 21st, we reach the astronomical winter in the Northern Hemisphere (and summer in the Southern Hemisphere, you lucky folks down under). But what makes this day so special? Let me paint you a cosmic picture.
The Winter Solstice occurs when the Earth's axial tilt reaches its maximum angle *away* from the Sun – about...