RealFrac package:text-builder-dev

Time interval in seconds. Directly applicable to DiffTime and NominalDiffTime. The format is the following:
DD:HH:MM:SS
>>> realFracDdHhMmSsInterval @Double 59
"00:00:00:59"
>>> realFracDdHhMmSsInterval @Double 90
"00:00:01:30"
>>> realFracDdHhMmSsInterval @Double 86401
"01:00:00:01"
>>> realFracDdHhMmSsInterval @Double (356 * 86400)
"356:00:00:00"