Meteorological spring began on March 1, while astronomical spring starts on the vernal equinox. The vernal equinox marks the astronomical first day of spring and falls on Thursday, March 20, 2025.
The first day of spring is Thursday. The spring equinox will occur at 5:01 a.m. EDT on Thursday. An equinox occurs when the Earth's equator aligns with the sun, resulting in a "nearly" equal amount of ...