How many of us even think about the moon, never mind when it is full. Our ancestors were in tune with the natural world.. They gave names , and were aware of the events in the natural world, that we, "sophisticated moderns" are now totally ignorant. One thing about the chart is "Time of Full Moon". I wondered what that was. I figured a full moon was when the moon was round, like for a day, or so. But the moon only reaches its full moon status for only a few seconds, then it immediately starts getting smaller. Geesh, I had no idea. I'm a sophisticated modern