Margery J Jones

Spring Equinox 2025 Northern Hemisphere Dates. This year it starts on march 19 2025, at 11:06 p.m. The vernal equinox, also known as the spring equinox, occurs exactly at 11.06pm eastern time on tuesday 18 march 2025.

According to the astronomical definition of the seasons, the vernal equinox also marks the beginning of spring, which lasts until the summer solstice (june 20 or 21 in the northern hemisphere, december 21 or 22 in the. When is the first day of spring in 2025 happening?