The summer solstice marks the astronomical start of summer in the Northern Hemisphere. The annual event gives those of us living north of the equator the longest day of sunlight in the year and in ...
Summer fans, rejoice: The season officially begins Friday. The summer solstice, which falls on June 21, marks the astronomical start of summer for the Northern Hemisphere. At 11:54 a.m. ET | 8:54 a.m.
It's when the Earth's tilt toward the sun is at a maximum. In the Northern Hemisphere, it falls each year sometime between June 20-22. It marks the longest day of the year.