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.
Full Definition of DECADE. 1. : a group or set of 10: as a: a period of 10 years b: a division of the rosary that consists primarily of 10 Hail Marys. 2. : a ratio of 10 to 1: order of magnitude. The war lasted nearly a decade. 2  The bridge was built a decade ago. 3  The decade of the 1920s runs from January 1, 1920 to December 31, 1929. 4  the first decade of the 21st century.