Summer And Winter Solstice 2025 Calendar. The summer solstice is also known as the longest day, which is. When the sun is over the equator you have the equinoxes and when the sun is over the tropic of cancer in the most northern position you have the summer solstice and conversely when the sun is over the most southern.

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 following table shows the dates together with the exact.