Students are almost out of school for the summer, but when does summer "officially" start? Here's what you need to know.

The first meteorological day of summer is always the same, but the astronomical season starts on a different day each year.

When is the longest day of the summer? And when do the hotter months officially start in the UK? Here's everything you need ...

The winter solstice — the day marking the beginning of winter — occurs on the shortest day and longest night of the year.

Summer begins on June 1st in the meteorological world, and June 21st astronomically. But strictly from the standpoint of the ...

Meteor showers, eclipses and full moons will appear in our skies this summer. Mark your calendars with these dates, stargazers.

The 8 p.m. sunset on Wednesday, May 8, is the first in the 8 p.m. hour in Denver since Aug. 11, 2024. Denver's sunset times ...

In the Northern Hemisphere, summer officially starts in the third week of June on the date of the summer solstice, or the longest day of the year. This year, the summer solstice will take place on ...

When the northern half of the globe is experiencing the summer solstice, the Southern Hemisphere will have its shortest day of the year, or the winter solstice. Summer solstice for the southern ...

Knowing exactly when is the first day of summer 2025 is like unlocking a secret level in the game of vacation planning. See ...