From Stone Age astronomy to Viking law and Roman goddesses, cultures across time have honored the longest day of the year ...

Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer.

Summer officially began Friday in the Northern Hemisphere with the longest daylight of the year at around 15 hours.

Seasonal or Environmental Lag is what meteorologists use to describe the delay between peak solar heating - on the summer ...

From an astronomical standpoint, the first day of summer is today, and it's celebrated with summer solstice rituals like ...

After the sun arrives at its solstice point, it will begin to migrate back toward the south and the amount of daylight in the ...

The 2025 summer solstice falls on Friday, June 20, at 10:42 p.m. ET, according to NASA and the Old Farmer's Almanac. This ...

The summer solstice is a moment in space and time during the annual orbit when our tilted planet's Northern Hemisphere points ...

The summer solstice, the longest day of the year in the Northern Hemisphere, falls on June 20 this year in North America, and ...

The summer solstice marks the beginning of astronomical summer each year, typically falling between June 20 and June 22. In ...

According to NASA, it’s one day a year when the sun is above the horizon for significantly longer than usual. It marks the ...

Friday, June 20, marks the first official day of summer in 2025. It's also the date of the summer solstice. The first day of summer changes annually, arriving on June 20, 21 or 22. That's because the ...