UTC-3:   03   06   09   12   15   18   21   24
mdts    258  260  262  263  265  266  267  267
mdww    293  302  294  297  303  305  306  311
shts    1.3  1.2  1.2  1.2  1.2  1.2  1.4  1.4
shww    0.2  0.2  0.4  0.4  0.4  0.6  0.5  0.5