Over the course of August, the length of the day in Florence is gradually decreasing, with a difference of 1:20 hours between the start and the end of the month. The shortest day is August 31st with 13:14 hours of daylight, whilst the longest day is August 1st with 14:33 hours of daylight.
Quick Answer. A decade is a period of 10 years. The word decade originates from the Greek word dekas, which means a group of 10. The word decade began to be used in English to mean a period of 10 years in 1590. Continue Reading.
A millennium equals 1000 years (the plural is millennia). We calculate the beginning of each millenium in the same way as centuries, so for example, the 3rd millennium BCE includes all of the dates between January 1, 2001 BCE and December 31, 3000 BCE.