Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

During summer, the Earth's axis is tilted toward the sun, resulting in longer days and more exposure to the sun's warming rays. In winter ... in the spring and fall. They occur when the Earth's ...

It's been nearly a month since the winter solstice and the holiday ... then setting them back one hour in the fall. One way to remember the pattern: "spring forward, fall back." ...