First Day Of Spring 2024 Date And Time. When is the first day of spring? The winter solstice marks the first day of winter, ushering in the colder weather and holiday season.

The vernal equinox arrives on tuesday, march 19, marking the start of the spring season for the northern hemisphere. The first day of spring in 2024 is an important date, as it marks the beginning of warmer weather and longer days.