This perpetual moon phase calendar illustrates how to unite with the moon and celebrate the changing seasons. Each lunar cycle offers a different energy or opportunity. By using the rotating wheel on this calendar and lining the current moon phase to your month, you will be able to heighten your efforts with the phases of the moon. Each month illustrates the phases of the moon for 2023 and the corresponding birthday flower. Spinner Guide + Envelope Measures : 8.75" x 8.75"