dT1=2h50min=2x3600+50x60=10200s 1h=3600s 1min=60s
dT2=36min=36x60=2160s
dT3=1zi12h=24h +12h=36h x3600=129600s 1zi=24h
dT4=54min=54 x 60=3240s
dT5=18zile=18 x 24=432h x 3600=1555200s
dT7=8h x 3600=28800s
dT8=1zi 2h=24h+2h=26h x 3600=93600s
16000 x o,oo1=16s mili =0,001