When Does Summer Start 2025 Usa Dates. Thursday, mar 20 5:01 am edt. One week in march or april including the easter holidays.

Summer solstice 2025 (beginning of astronomical summer) on the day of the summer (june) solstice, the solar disk, moving along the ecliptic, will fall into its northernmost point and will be. Here is a list of 2025 holidays, special events, big games, cultural milestones and other key dates to mark on your.