A decimal fraction is not the same as decimal time. There may be a simple conversion (* 1000), but the conversion to 24hr time is almost as simple. The problem

A decimal fraction is not the same as decimal time. There may be a simple conversion (* 1000), but the conversion to 24hr time is almost as simple. The problem with decimal time is that it is a proposal for people to use, and that it solves no problems at an immense conversion cost.