First Day Of Spring 2025. D onald trump thinks he’s identified a crucial mistake of his first term: When is the first day of spring 2025, and what is the spring equinox?
The first day of spring 2025 (northern hemisphere) will occur on tuesday, march 20 at 03:07 am universal coordinated time (utc). Spring gets its official start tuesday, march 19, 2025, in the northern hemisphere.