The sunset affects the girls' only on the last day of each month, they can't remember half the things that happened, and sometimes it makes them go crazy, like the time they hurt Tess, or when Amy ended up in the bath tub with a ton of sea shells, Brenna with a tikki tourch and Kelsey in a food cooler, it causes a lot of trouble for them, but it gave them their powers, so they feel they can keep dealing with it for now.