Summer Solstice 2024 Timechimp. The solstice this year falls on thursday june 20 2024 , which will officially be the longest day of the year. The season officially starts on saturday at 4:21 a.m., also known as the.

The summer solstice occurs annually across the southern hemisphere between december 21 and 23. The summer solstice occurs for earth’s upper half when the northern hemisphere is tilted most closely toward the sun.