This question was asked in 2015, so 50ad would have been 1964 years ago.
56
50 + 600 + 18 = 668
We currently use AD in current day. To determine how long ago a year which ends in AD is, you simply subtract the year from the current one. We will use 2014 as an example. 2014-500= 1514. With today being in 2014, 500 AD was 1,514 years ago.
In 2017 AD it is 2013 years ago.
938 years ago was the year 1070 AD
In 2018, it is 1361 years ago.
1989 years ago
As of 2018, it was 1705 years ago.
It is currently 2008 AD. Do the math.
99
1,940 years ago.
As of 2020, it is 1941 years ago
In 2013, the year 250AD was 1,763 years ago.