What Day is It? Begins the exploration of keeping track of time by introducing days of the week and months of the year. Each month features the fingerspelling of the month along with the sign to help children learn to recognize the months of the year. Each illustration features activities that children will recognize from building a snowman in January to bats and pumpkins at Halloween. The learning tutorials and games, with the addition of the Calendar Poster make it easy for everyone to understand and learn about days, weeks, months and years.