UTC-3:   03   06   09   12   15   18   21   24
mdts    264  265  265  265  265  266  266  266
mdww    307  317  315  331  319  333  343  348
shts    1.9  1.8  1.8  1.8  1.7  1.7  1.7  1.6
shww    0.4  0.4  0.5  0.4  0.5  0.4  0.4  0.3