Spring Equinox 2025 Northern Hemisphere 2025. In the northern hemisphere, the spring equinox will take place on march 20, 2025, at 09:02 gmt (05:02 a.m. The first day of spring is march 20, 2025, at 5:02 a.m.
Edt on march 19 (03:06 utc on march 20) in the northern hemisphere. The spring equinox, known as the vernal equinox in the northern hemisphere, is a day on which the sun sits directly over the equator,.