This children's book, published in 1970, tells the story of Doeksie who had to look after the ducks and had to be back home by 12:00. But when is it 12:00? Doeksie learns to look at the shadow of a stick to find out at what time she has be home. The story explains to children the concept of time and the earth's rotation around the sun, and how to tell the time by looking at the shadow of a stick in the sun.
The book is currently out of print.
Die Twaalfuur-Stokkie (The Twelve O' Clock Stick) has been translated into English.