When Does Spring Begin 2025. The following table shows the dates together with the exact time in which each of the seasons of the year begin. Add/drop deadline (full semester & 1st term) june 30, 2025:

Spring begins with the vernal equinox, monday, march 20, 2034, 9:17 a.m. For those of us in the northern hemisphere, this is marked by the arrival of the spring equinox.