First Day Of Spring 2024 And Time Frame. The first day of spring 2024 (northern hemisphere) will occur on tuesday, march 20 at 03:07 am universal coordinated time (utc). This year, the precise moment of the march equinox occured at 11:06 p.m.

What is the exact time of the start of spring in 2024? This year, the precise moment of the march equinox occured at 11:06 p.m.