Get the number of microseconds elapsed since January 1, 1970 00:00:00 UTC without fear of clock drift
Convert between Date object and Julian dates used in astronomy and history
Convert Unix time to a relative time string e.g., "4 hours ago".
Configurable K-sortable unique IDs, ULIDs, binary & base-N encoded, 32/48/64bit time resolutions
Small utility to convert times between GPS epoch (midnight January 6, 1980) and Unix epoch (midnight January 1, 1970), taking into account leap seconds.