etime-1.m

GNU Octave is a high-level language, primarily intended for numerical computations. It provides a c

t1 = [1993, 8, 20, 4, 56, 1];
t2 = [1993, 8, 21, 4, 56, 1];
t3 = [1993, 8, 20, 5, 56, 1];
t4 = [1993, 8, 20, 4, 57, 1];
t5 = [1993, 8, 20, 4, 56, 14];

(etime (t2, t1) == 86400 && etime (t3, t1) == 3600
 && etime (t4, t1) == 60 && etime (t5, t1) == 13)