function [MM] = changedatefunction (M)

s = size (M);
n = s (1);

min = zeros (n,1);
sec = zeros (n,1);

year = M (:,1);
month = M (:,2);
day = M (:,3);
hour = M (:,4);

dp = M (:,5);

date = [year, month, day, hour, min, sec];

datenumber = datenum (date);
date10 = datenum (0,0,0,10,0,0);

newdate = datenumber - date10;
df = datevec (newdate);

y = df (:,1);
m = df (:,2);
d = df (:,3);
h = df (:,4);

MM = [y,m,d,h,dp];

end