On the contrary, in the Southern Hemisphere, the upcoming equinox is known as the autumnal equinox, as it represents the start of fall. During this time, the Southern Hemisphere begins to tilt ...

Today marks the first day of spring 2025. The vernal equinox marks the start of spring every March. The autumnal equinox marks the start of fall every September. An equinox occurs, "two times of ...

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

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

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24. The solstices mark ...

The Northern Hemisphere’s spring – or vernal – equinox can land between March 19 and 21. Its fall – or autumnal – equinox can be between Sept. 21 and 24. So, astronomical spring begins ...

Our friends in the Southern Hemisphere are celebrating the autumnal equinox, or fall. There are a lot of cool facts about an equinox. For instance, Earth's two equinoxes are the only time when ...

Meteorologists consider March 1 the start of spring. An equinox occurs twice a year. The autumnal equinox occurs in September – when the Earth's axis is tilted neither toward nor away from the ...