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).

Astronomical winter begins at the winter solstice, which is the shortest day of the year. This means days get longer during winter—very slowly at first, but at ever-larger daily intervals as the March equinox …

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

6 days ago · The winter solstice is the day with the fewest hours of sunlight throughout the year, making it the shortest day of the year. Thankfully, after we reach the winter solstice, the days begin to grow …

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

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 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 …

The winter solstice is the day of the year with the fewest hours of daylight. In the northern hemisphere this date falls in December every year. In 2025 the winter solstice will occur on Sunday 21 December.

Dec 10, 2025 · The winter solstice has long been celebrated as the rebirth of the sun in the Northern Hemisphere because it is when the sun is at its lowest in the sky, and in its wake, the days begin to …

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 …