The term 'Their Days Are Numbered' is a phrase that is used to describe a situation in which something is coming to an end. In this case, the crossword solutions for the term are Months (6 letters), Calendars (9 letters), and CPAs (4 letters). Months refer to the period of time between two dates on a calendar, usually lasting from 28 to 31 days. Calendars are used to keep track of days, weeks, and months, and CPAs are Certified Public Accountants who provide financial advice and services. All three of these terms are related to the phrase 'Their Days Are Numbered' as they all represent a limited amount of time or resources.