Spring Equinox 2024 Time. What to know about the vernal equinox the northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21,. After this date, daylight hours slowly increase until the vernal equinox.
In the southern hemisphere, it will occur on september 22, 2024, at 12:44 gmt (07:44 a.m. After this date, daylight hours slowly increase until the vernal equinox.