2024 HOD4717 House of Doolittle Desk Calendar Refill, 3-1/2 x 6". Calendar Refill offers a simple way to refill your standard, No. 17 calendar base. Planning pages range 12 months from January through December 2024. Weekdays offer two-page spreads with ruled, half-hour appointment times from 7 AM to 5 PM; holidays; and past, current, and future monthly calendar references. Saturdays and Sundays get one page each and still feature ruled appointment times. Calendar pages are made from 100% post-consumer paper. The base is not included in the calendar. If you need a base for this calendar, order number O2A21017.