UnixTime-func
Convert between Unix timestamp and Julian-day value.
See this note concerning Origin's date-time systems, including the default "adjusted" Julian Date system.
double UnixTime(double d1, double d2 = 0, int n = 0)
d1
d2
n
Return the converted time value.
col(C)=UnixTime(col(B), 8);//convert to Beijing time