When Is Summer Equinox 2025. In 2025, the summer solstice will occur at 4:50 p.m. Here's everything you need to know about the northern hemisphere's longest day of the.
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. Learn about the equinox and solstice, the transitions between the seasons of the astronomical calendar.