A full moon sets behind Rocca Calascio castle and village (LAquila), Italy, on March 7, 2023. (Photo by Lorenzo Di Cola/NurPhoto via Getty Images) The time has come for March’s full moon to light up the night’s sky, and if conditions are clear, it could be visible for several nights.The full worm moon is slated to peak in illumination on Tuesday morning, at 7:40 A.M.