The ancient knowledge of natural and lunar rhythms allows countless activities to be carried out more effortlessly and successfully. Today, many people can no longer imagine undertaking renovations and construction without considering the right timing. Whether pouring screed or making doors, glazing or laying floors, painting or plastering: this book contains all the basic rules, detailed background information, and the essential lunar calendar. This way, one can build and renovate sustainably and durably. With a new chapter: Timber harvesting at the right time.