DayMinder Daily Appointment Book, Undated, 4-Person, 8.5 x 10.88 Inches, Black (G570-00) Appointment book makes tracking a 4-person group easy, with a vertical column for each person Appointment book is undated to use with any month and any year. Space to write in the date is included on the header of each page. Ruled notes space runs across the bottom. One page per day format includes quarter-hourly appointment times from 8:00 a.m. - 8:00 p.m. Monday - Sunday. Half-hourly times from 7:00 a.m. - 8:00 a.m. are also shown to keep detailed track of each person's schedule.