Start Of Spring 2025 Date In The Us. Download the monthly calendar for the spring of 2025. The first day of spring 2025 is on thursday, march 20, 2025, at 5:01 a.m.

If you happen to reside in the northern hemisphere, this date will also mark the start of the spring season. The first day of spring 2025 is on thursday, march 20, 2025, at 5:01 a.m.