UTC-3:   03   06   09   12   15   18   21   24
mdts    267  268  269  268  267  265  262  261
mdww    313  321  344  350  353    3   17   21
shts    1.5  1.5  1.5  1.5  1.5  1.5  1.6  1.7
shww    0.6  0.6  0.4  0.4  0.3  0.3  0.4  0.4