Add Yahoo as a preferred source to see more of our stories on Google. You might hear the term "autumn equinox" tossed around Sept. 22 on the first day of fall. But what exactly does that mean? Is it ...

After a long, cold winter, the vernal equinox heralds the arrival of spring in the Northern Hemisphere. But have you heard ...

The vernal equinox, marking the first day of spring, occurs on Thursday, March 20, 2025, at 5:01 a.m. ET. An equinox happens when the sun's rays are directly over the equator, resulting in ...

Winter is coming to a close and spring is about to kick in. So, now is a good time to talk about equinoxes and solstices. With the vernal equinox nearly upon us, here's what we know about when spring ...

Spring officially begins in the Northern Hemisphere on March 20 with the vernal equinox as the entire world experiences an equal amount of daylight and darkness. For ease of recordkeeping, ...

The first day of meteorological spring is March 1, while the astronomical first day of spring varies based on the vernal equinox. Astronomical seasons depend on the Earth's position relative to the ...

ROCHESTER, N.Y. – While it may already feel like summer in Western New York, the official start of the season, according to the astronomical calendar, is still a little over a week away. This year, ...

Most people define the beginning of spring as the spring equinox (also called the vernal equinox, for those of you who like ...

The first day of spring occurs on the spring equinox, which is also known as the March equinox or the vernal equinox.

You might hear the term "autumn equinox" tossed around Sept. 22 on the first day of fall. But what exactly does that mean? Is it different from a solstice? Yes, actually. They mark seasonal changes ...