What Is Spring Equinox 2024 Calendar. Due to our use of daylight saving time, the summer solstice and fall equinox were the earliest since 1796. Everything you need to know about the spring equinox 2024, including when it is, what it is and how it affects our planet.

The spring or vernal equinox marks the astronomical first day of spring. The spring equinox, known as the vernal equinox in the northern hemisphere, is a day on which the sun sits directly over the equator, so day and night all over the world are of.