Time is a measure of the passage of events, and is often divided into units to make it easier to understand. The crossword solutions for the term TIME, UNIT OF are ERA (3 letters), SECOND (6 letters), MINUTE (6 letters), YEAR (4 letters), EON (3 letters), DAY (3 letters), HOUR (4 letters), and MONTH (5 letters). An ERA is a period of time marked by a particular set of characteristics, while a SECOND is a unit of time equal to one sixtieth of a MINUTE. A MINUTE is a unit of time equal to sixty seconds, and a year is a unit of time equal to 365 days. An EON is an indefinite and very long period of time, while a DAY is a unit of time equal to 24 hours. An HOUR is a unit of time equal to sixty minutes, and a MONTH is a unit of time equal to approximately four weeks.