What is the difference between the earlier night snorkel tour and the moonlight tour?

When it comes to the itinerary of the tour and seeing manta rays, these yours are the same and there is no difference. The later tour moonlight tour is less desirable for children due to the later hours. The moonlight tour takes place in complete darkness from start to finish whereas the evening tour takes place as the sun is setting. 1. Big Island Manta Ray Night Snorkel Tour