Every year, the spring equinox marks one of the most important turning points in the natural calendar. In 2026, this moment arrives around March 20, when the Sun crosses the celestial equator and day ...

Americans set their clocks forward one hour on Sunday, March 8, meaning more daylight. Here's how many days are left until ...

The autumnal equinox arrives on 22 September, marking the end of summer and the beginning of autumn, heralding the arrival of chillier weather and the winter months. The autumnal equinox occurs in ...

The geometry of the equinox can mean an uptick in the intensity of the geomagnetic storms that cause aurora. At exactly 08:43 EDT on Sunday, September 22, 2024, the sun will cross the celestial ...

The heat of summer is beginning to wind down here in the Northern Hemisphere, and you might be feeling a little less bratty and a little more demure. But the fresh fall vibes will ramp up around Sept.

Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the ...

Fall foliage at sunrise on the Blue Ridge Parkway near Asheville, North Carolina. The September Equinox 2025 arrives Sept. 22 at 2:19 p.m. EDT, marking autumn in the north and spring in the south.

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

Add Yahoo as a preferred source to see more of our stories on Google. The Fall Equinox occurs annually, astrologically aligning with the Sun entering Libra. Here, we reach the midpoint of the ...