Spring Solstice 2025 Calendar. We call this the summer solstice (solstice is a suspension of the migration of the sun’s direct rays). The dates for equinoxes and solstices in the northern and southern hemispheres are the same, but in opposite seasons.
Here are the equinox and solstice dates—plus, answers to common questions about the seasons of. Equinox means equal day and night (12 hours each).