Spring Equinox 2024 Meaning. Astronomical seasons are based on the position of the earth in. This date marks the spring equinox in the northern hemisphere.
The spring equinox, also known as the vernal equinox, occurs when the sun crosses the celestial equator, resulting in equal lengths of day and night. The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the.
