UTC-3:   03   06   09   12   15   18   21   24
mdts    120  121  121  121  121  121  121  121
mdww    145  152  152  157  154  158  161  163
shts    1.3  1.3  1.2  1.2  1.2  1.2  1.2  1.1
shww    0.3  0.3  0.3  0.2  0.3  0.3  0.3  0.2