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).

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 …

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.

Dec 11, 2025 · At the winter solstice, the sun travels the shortest path through the sky, resulting in the day of the year with the least sunlight and therefore, the longest night.

4 days ago · This year's winter solstice will bring the fewest hours of daylight. What to know about this seasonal change.

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 ...

3 days ago · The winter solstice will mark the point when the Northern Hemisphere tilts furthest from the sun, bringing its shortest day and longest night of the year. For thousands of years, cultures around …

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

Dec 8, 2025 · December 21 (or December 22) is the shortest day of the year in the Northern Hemisphere. On this day, known as the winter solstice, the Sun in the sky is the farthest south and …

Sep 21, 2017 · The winter solstice is the shortest day and longest night of the year. In 2024, in the Northern Hemisphere, it takes place on December 21.