What Day Is The Spring Equinox 2025 In New York. Equinox means equal day and night (12 hours each). In the northern hemisphere, the astronomical start of spring, also known as the spring equinox, will occur on thursday, march 20, at 5:01 am edt in 2025.
Equinox literally means “equal night.” on the spring equinox, the sun is positioned directly over the equator,. The full snow moon will make its appearance on wednesday, feb.