The word "almanack" is an old-fashioned term for an annual publication that provides information on weather predictions, holidays, phases of the moon, and other astrological events. Some synonyms for "almanack" include "yearbook," "calendar," "compendium," "ephemeris," and "annual." A yearbook documents the events of a specific year, while a calendar focuses more on dates and holidays. A compendium is a collection of information on various subjects, while an ephemeris is a table of data showing the positions of celestial objects. Finally, an annual is a publication issued once a year that may include calendars, statistics, and other types of information. These synonyms all refer to publications that document the passage of time in some way.