When is the First Day of Summer 2024?

Southern Hemisphere Summer Solstice

For those in the Southern Hemisphere, the summer solstice occurs on December 21, 2024, at 08:23 UTC. This marks the longest day and shortest night of the year in the Southern Hemisphere.

Northern Hemisphere Summer Solstice

In the Northern Hemisphere, the summer solstice takes place on June 20, 2024, at 18:51 UTC. This is the longest day and shortest night of the year in the Northern Hemisphere.

Full Moon on the Summer Solstice

In 2024, a full moon will occur on June 21, the day after the summer solstice in the Northern Hemisphere. This coincidence is known as a "Strawberry Moon," a traditional name for the full moon that occurs closest to the summer solstice.

Dates for the Summer Solstice

The dates for the summer solstice vary slightly each year due to the fact that our calendar year is shorter than the solar year. As a result, the summer solstice falls on different dates from year to year.

Here are the dates for the summer solstice in the Northern Hemisphere for the next few years:

• 2024: June 20
• 2025: June 21
• 2026: June 21

The dates for the summer solstice in the Southern Hemisphere are the same dates, but six months later.