Wanted a formula to convert the below datas to as given in right hand side

Before formula After formula
0 0:9:8.0 9.8
0 0:9:7.0 9.7
0 0:9:7.0 9.7
0 0:9:7.0 9.7
0 0:9:59.0 9.59
0 0:9:59.0 9.59
0 0:9:58.0 9.58
0 0:9:58.0 9.58
0 0:9:58.0 9.58
0 0:9:58.0 9.58
0 0:9:56.0 9.56
0 0:9:56.0 9.56
0 0:9:55.0 9.55
0 0:9:55.0 9.55

Any help needed as i am newbie...