What Time Is The First Day Of Spring For 2025. First day of spring in 2025 is on tuesday, the 19th of march (19/3/2025). The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere.
What to know about the vernal equinox the northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the year When is the first day of spring in 2025 happening?