How long ago was 2013?
2013 ran from January 1 through December 31. The elapsed time depends on which date you mean and the date you compare it with. The tool above shows both endpoints rather than treating a whole year as one date.
How long ago was August 2013?
Select August in the month field to compare August 1 and August 31 with your reference date. Enter a specific day in the exact-date field for a single precise result.
The result is expressed in calendar years, months and days, along with total calendar days. The reference date defaults to the current date on your device and can be changed.