27
From 1BC to 2009 was 2009 years, as there was no year zero.
Between those years there are four.
48 years.
2009 - 1970 = 39.
2009-1900 = 1009
There are 5 years between December 31 2004 and 2009.
1009 years
2009
There are 25 years between 1984 and 2009. This can be calculated by subtracting 1984 from 2009, which equals 25. The difference in years represents the total number of years between the two dates, inclusive of both the start and end years.
1957, 1982, 1993, 2005, 2009.
Including both of those years, then it was five times. In 1982, 1993, 1999, 2004 and 2010.
Between 2009 and 2203 is 194 years. 2023 is 2023 years A.D.