2024 Spring Equinox Date And Time. Eastern time, marking the first day of spring. The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere.
This year, the spring equinox falls on wednesday 20 march, and the astronomical spring lasts until the summer solstice. The spring, or vernal, equinox occurs march 19 at 11:06 p.m.