Summer Solstice 2024 Date and Time for Northern and Southern Hemispheres

When is the First Day of Summer?

The 2024 summer solstice, which marks the start of summer, occurs on June 20 at 4:51 pm Eastern time according to the U.S. Naval Observatory.

Summer Solstice in the Northern Hemisphere

For those in the northern half of the planet, the summer solstice takes place on Thursday, June 19, 2024, at 5:04 am.

Summer Solstice in the Southern Hemisphere

In the southern hemisphere, summer begins a day later, on June 21, 2024, at 12:09 am.

Note on Calendar Year Discrepancy

The calendar year is shorter than the solar year, resulting in the equinoxes and solstices occurring later each year.

Additional Information

The dates given on this page are based on the U.S. Naval Observatory's calculations. Please note that local times may vary slightly depending on your specific location.