I can't believe I have to do this but it seems people can't keep track of years.
Nov 13 - Nov 14 the 1st year
Nov 14 - Nov 15 the 2nd year
Nov 15 - Nov 16 the 3rd year
Nov 16 - Nov 17 the 4th year
Nov 17 - Nov 18 the 5th year
PS4 is in the middle of its 5th year. Get that through your skulls.