"The highest solar radiation on June 21st is at the boundary between the Tropic of Cancer and the Tropical Zone."
"The highest solar radiation on June 21st is at the boundary between the Tropic of Cancer and the Tropical Zone."
Das keltische Fest, das am 21. Juni gefeiert wird, heißt Litha oder Mittsommer. Es markiert die Sommersonnenwende, den längsten Tag des Jahres.