This solstice falls between June 20 and 22. Meanwhile, at the winter solstice, the Northern Hemisphere is leaning away from the sun — leading to the shortest day and longest night of the year.

Meanwhile, at the winter solstice, the Northern Hemisphere is leaning away from the sun — leading to the shortest day and longest night of the year.

For those north of the equator, the summer solstice marks the longest day and the shortest night of the year.

The first day of summer is marked by the summer solstice, or the longest day of the year. Here's what to know about summer 2025.

The summer solstice is here. What to know about the longest day of the year Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.

This solstice falls between June 20 and 22. Meanwhile, at the winter solstice, the Northern Hemisphere is leaning away from the sun — leading to the shortest day and longest night of the year.

This solstice falls between June 20 and 22. Meanwhile, at the winter solstice, the Northern Hemisphere is leaning away from the sun — leading to the shortest day and longest night of the year.

The official marker of the summer season arrives tonight. It's the summer solstice, which has been celebrated for thousands of years.