Vernal Equinox 2024 Seattle Time. The vernal equinox is when the earth's axis and its orbit line up, giving both hemispheres equal day and night. It happens on march 19 at 11:06 pm eastern daylight.
Learn why the vernal equinox, marking the start of spring in the northern hemisphere, will occur on march 19, 2024, at 11:06 p.m. The northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year.
