-Romeo and Juliet are "star-crossed" so the time that they were born controls their fate.
-Juliet tells Romeo to not swear by the moon because it is inconsistent and changes quickly, foreshadowing that Romeo and Juliet's love will not last long.
-Romeo misses Juliet's awakening by minutes, showing that a few minutes of time can change the outcome of a story.
-Romeo says that time seems to pass slowly when he thinks about Rosaline, who he cannot be with. Time moves quickly when Romeo is with Juliet, showing that human perception alters the way time is used.
-Romeo is forced to leave Juliet for Mantua because it is day, when Juliet tries to convince him it is still night. After Romeo tells Juliet that he will be killed if he stays during the day, Juliet changes her mind because she does not want Romeo to die. The effects of time on characters affects the way other characters act.
Are there any more significant events having to do with time that I missed?