First Day Of Spring Bc 2024. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across the. Ad hocs are individual courses within all schools that do not exactly match the dates listed above.

In the northern hemisphere, the astronomical start of spring is also known as the spring equinox. Years ago i came up with a new definition for the first day of spring: