Refill is designed for use with the two-page-per-day Original Day-Timer calendar set. Each two-page-per-day spread includes a space for notes, lists & appointment times from 8 AM to 5 PM. Daily hours are divided into quarters for precise record-keeping. Pocket wirebound format includes an address / phone booklet, advance planning calendar, & work organizer booklet. Dated planning pages range 12 months from January to December.