1st Day Of Spring 2025 Date In Usa. United states 2025 holiday calendar with all major holidays and observances. When is the first day of spring in 2025 happening?
In the northern hemisphere, the astronomical start of spring, also known as the spring equinox, will occur on thursday, march 20, at 5:01 am edt in 2025. Spring 2025 starts on thursday, march 20, 2025 (in 33 days) and ends on saturday, june 21st 2025 (in 126 days).