UTC-3:   03   06   09   12   15   18   21   24
mdts    252  254  257  255  248  242  242  244
mdww    228  228  230  231  233  241  243  240
shts    1.4  1.5  1.5  1.6  1.7  1.7  1.7  1.5
shww    0.8  0.9  1.3  1.7  1.4  1.2  1.0  1.3