21 hours ago · The winter solstice is here! Here's what to know about the shortest day and longest night of the year.

The winter solstice, or hibernal solstice, occurs when either of Earth 's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere (Northern and Southern).

1 day ago · The 2025 winter solstice happens on Sunday, Dec. 21, bringing the longest night and marking the start of astronomical winter. Here’s how it all works and what it means.

6 days ago · When is the winter solstice? In 2025, the first day of winter is Saturday, December 21. So, what is the winter solstice and why does it happen? Learn all about the shortest day of the year—and …

Dec 11, 2025 · The winter solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

1 day ago · The winter solstice is on Dec. 21, 2025, marking the official start of winter. Here's what it means, both astronomically and symbolically.

2 days ago · Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s the opposite in the Southern Hemisphere, where it is the longest day ...

Dec 11, 2025 · This year's Winter Solstice night is the darkest in over a decade. Astronomical winter soon arrives, but exactly when is our shortest day and longest night of the year? During Earth's …

6 days ago · The winter solstice plinth at the Open Deck Observatory. The hole in the center aligns with the Sun as it rises on the day of the December solstice! What is the December Solstice? Though the …

Dec 10, 2025 · But based on Earth 's tilt and orbit around the sun, it's Dec. 21, 2025, through March 20, 2026. This is astronomical winter, which begins on the winter solstice with the shortest day of the...