What Date Is Spring 2025. When is the spring equinox in 2025 and why does its date change? The first day of spring 2025 is on thursday, march 20, 2025, at 5:01 a.m.

This date marks the official beginning of spring and is often celebrated as a time of. The first key date of the spring 2025 season is the spring equinox, which typically falls on march 20 or 21.