datebook

[deyt-boo k] /ˈdeɪtˌbʊk/
noun
1.
a printed notebook for listing appointments, making entries of events, etc., often with printed headings or lines for each day of the year and for the hours of the day.
Origin
date1 + book
Examples from the web for datebook
  • In principle this is no more demanding than looking at your datebook each morning to see where you're supposed to go.