First Day Of Spring 2024 Ontario Canada. The first day of astronomical of spring arrives on tuesday, march 19, 2024, at 11:06 pm edt, but it certainly won’t look like it… despite a month filled with unseasonably warm temperatures that saw. Tuesday, march 19 marks the vernal equinox, bringing the first day of spring to the northern hemisphere.daylight hours will continue.

First day of the year. With a stormy start to.