When Is Spring 2025 In Usa Start Date. In 2025, the official first day of spring is thursday, march 20. Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america.

Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america. With numerous universities and a range of popular courses available, it.