Summer Solstice 2025 Date Us. At the summer solstice, we have the longest day and the shortest night of the year. This is the longest day of the year and marks the start of summer in.
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. The times of the equinoxes mark the beginning of spring and fall.