First Day Of Spring 2024 United States. Summer begins with the summer solstice, thursday, june 20, 2024, 4:51 p.m. In the northern hemisphere, the astronomical start of spring is also known as the spring equinox.

Spring (or also springtime), summer, autumn (also known as fall), and winter. The vernal equinox arrives on tuesday, marking the start of the spring season for the northern hemisphere.