Sunday, June 21, marks the astronomical first day of summer in the Northern Hemisphere. This year, the solstice occurs at exactly 4:24 a.m. EDT.

Another month, another astronomical event, and this month the summer solstice. The event that marks the beginning of summer in the Northern Hemisphere. People in the Northern Hemisphere will witness the longest day of the year, the June Solstice, which ...

Check out how cultures around the world celebrate the longest day of the year—and get rid of those winter blues!

CLEVELAND, Ohio — The longest day of the year is almost here. The summer solstice arrives at 4:24 a.m. ET on Sunday, June 21, marking the astronomical start of summer in the Northern Hemisphere, according to the Old Farmer’s Almanac.

Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It’s the opposite in the Southern Hemisphere, where it is ...

Today marks the longest day of the year, with summer officially in full swing. The summer solstice will occur at 10:42 p.m., allowing us to soak up extra daylight. What is the summer solstice?According to NASA, it’s one day a year when the sun is above ...