When Is First Day Of Spring 2025 In Canada. Spring starts at the moment when the sun is directly over the equator, going from south to north: The first day of spring 2025 serves as a reminder of the cyclical nature of life and the beauty that can be found in change.

The spring equinox, also known as vernal equinox and march equinox, happens every year usually on march 20 (some years it can take place on march 19 or 21), and it is the day that. The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the celestial equator passing from south to north and the length of day and night are almost the same.