"At night, I open the window and ask the moon to come and press its face against mine. Breathe into me. Close the language-door and open the love-window. The moon won’t use the door, only the window." — Rumi (Ahh, I love you Rumi.
The moon symbolizes many repeating elements in this play. They speak a lot about when the moon is out, time goes by quicker and it's the best time to go over your thoughts. Many characters have to make big decisions before the new moon.