When Is Winter 2025 In Usa Dates. Winter officially ends with the first day of spring on thursday, march 20, 2025. View here the holidays in the united states in 2025, including 2025 holidays and also every other holiday in the usa.

46 rows 2025 holidays. Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america.