UTC-3:   03   06   09   12   15   18   21   24
mdts    254  255  255  256  256  256  257  257
mdww     47   72   60   25   22   35   39   16
shts    1.0  1.1  1.1  1.1  1.1  1.1  1.1  1.1
shww    0.1  0.0  0.0  0.0  0.0  0.0  0.0  0.0