What Time Does Spring Start 2024. This date marks the spring equinox in the northern hemisphere. But why does the day mark the start of spring and why only in the northern hemisphere?.
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. To find out the exact equinox time for your time zone, open the sky tonight app.