Spring Equinox 2025 Usa Time. 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. On this date, the day is equal.
Therefore, the equinox in march is referred to as the spring equinox even though fall is happening in the southern hemisphere. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.
