"Metric time" should mean the time it takes for light to go 10e8m, which is ~3 seconds. If that's 1 chrono, then 1 kilochrono is 55 minutes and there are around

"Metric time" should mean the time it takes for light to go 10e8m, which is ~3 seconds. If that's 1 chrono, then 1 kilochrono is 55 minutes and there are around 25 kilochronos / day. 1 megachrono is 386 days. It would be a very good measurement unit for a solar system based space faring society.