Summer solstice (Earth-1529)

The summer solstice is a natural phenomenon that occurs in the  hemisphere's summer season, when the sun reaches its highest position in the sky, thus making it the longest day of the year. With the approach of the solstice, the natural world and the Spirit World grow closer together, as lines between the two start to blur, making the summer and winter solstices the easiest time of the year for someone to enter the Spirit World.