When Is The 1st Day Of Spring 2025. In 2025, the exact time of the start of spring is at 09:01 uct. It is also called the spring quinox.

Spring 2025 starts on thursday, march 20th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of the earth’s axis. This year, the season begins on thursday, march 20, 2025.