Syntax: YEAR(DT)
DT = a date/time value
YEAR returns the years component of the date/time value DT, where 1900 = 0.
Examples:
YEAR(24203) = 66, where 24203 represents April 6, 1966
YEAR(TODAY()) = 90, where TODAY() = December 25, 1990
YEAR(366) = 0, where 366 represents December 31, 1900
Excel function: YEAR