UTC-3:   03   06   09   12   15   18   21   24
mdts    120  121  121  121  121  121  121  120
mdww    146  153  155  159  160  160  129  128
shts    1.3  1.3  1.2  1.2  1.2  1.1  1.1  1.2
shww    0.3  0.3  0.3  0.3  0.3  0.3  0.6  0.7