null: What day is today? It's the day we're all going to learn about the calendar! Learn the days of the week, the months of the year, and all about how we use the calendar to keep track of important dates like birthdays, dentist appointments, fun trips and more. Preschoolers, kindergarten kids and 1st graders will love learning with Junior and friends about the calendar in this sing-along song for kids, from PlayKids!