Spring Equinox 2024 Events. However, the astronomical calendar is based on the position of the sun in relation. Everything you need to know about the spring equinox 2024, including when it is, what it is and how it affects our planet.

The day will fall back one hour to 1 a.m. In 2024, the spring equinox, also known as the first day of spring, will occur on wednesday, march 20, at precisely 3:07 utc (coordinated universal time).