What Does Spring 2024 Mean. Eastern, marking the start of the spring season for the northern hemisphere. — here's everything you need to know about the season change, along with key dates for 2024 to mark on your calendar.
— the 2024 spring equinox occurred at exactly 11:06 p.m. — the northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year.