pretty-ms
Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`
parse-ms
Parse milliseconds into an object
simple-duration
A tool to convert seconds to strings and back using a human readable format
timezonecomplete
DateTime, TimeZone, Duration and Period library aimed at providing a consistent and complete date-time interface, away from the original JavaScript Date class.