The Counting of the Omer begins on the second night of Pesach and continues for seven weeks; the following day -- the fiftieth day in the counting -- is Shavuot. My colleague, Rabbi Mark Hurvitz, invited me to design a calendar for counting the omer. I enlisted the help of my father, an artist. My father offered several designs based on ideas Rabbi Hurvitz generated concerning color and tone intensity. You are welcome to click on the links to see his efforts (first, second, third). The best, I think, portrays the journey from Egypt to Sinai as an upward spiral -- much like one ascending a mountain. You can find it here.