Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the sun is on the same plane as the equator. After the vernal equinox in March, ...

The spring equinox will occur at 5:01 a.m. EDT on Thursday. Here's what to know about the start of the spring season.

The vernal equinox heralds the arrival of spring in the Northern Hemisphere (finally). But have you heard the myth about balancing an egg on its end?

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

Its fall – or autumnal — equinox can land between Sept. 21 and 24. The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun.

The spring equinox can happen between March 19 and March 20. The longest day of the year, the summer solstice, arrives June 20. Spring is here, but don't put away those sweaters yet. A cold front ...

An equinox happens when the sun's rays are directly over the equator, resulting in approximately equal hours of daylight and darkness worldwide. The summer solstice, the longest day of the year ...

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, summer solstice and more.

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

Its fall – or autumnal — equinox can land between Sept. 21 and 24. The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun. This means the ...