Day by Day Calendar Company is a large kiosk located on the first floor of the Shops at Mission Viejo. It is in between Gap Kids and LOFT, in a long row of other mobile establishments. Day by Day Calendar has more than 100 calendars of every variety and size. No matter what your style, age, hobbies or interests, it probably has something for you. The majority of the products are meant to be hung on the wall, but there are some day calendars and planners for the home or office desk.