2009 (MMIX) is/was a common year starting on Thursday. In the Gregorian calendar, it is the 2009th year of the Common Era, or of Anno Domini; the 9th year of the 3rd millennium and of the 21st century; and the 10th and last of the 2000s decade.
A component of the measuring system used to sequence events, …
Watch for telling time.
A year in the Gregorian Calendar