This was one of many things the French fixed with their revolution but was cruelly taken away by the reactionaries. Decimal time

VIII. Each month is divided into three equal parts, of ten days each, which are called décades… The day, from midnight to midnight, is divided into ten parts or hours, each part into ten others, so on until the smallest measurable portion of the duration. The hundredth part of the hour is called decimal minute; the hundredth part of the minute is called decimal second.