daybook

A daily chronicle; a diary.

• I try to get up thirty minutes before anyone else in my house in order to have my daybook writing time.
• Why is it called a Daybook? A Daybook traditionally is "a book in which daily transactions are recorded," but nowadays it is being used to mean "a journal."

An accounting journal.

• Since these memoranda were marked down from day to day and the entries followed one another day by day, this first book of accounts was called a "daybook."

A logbook.