Hello, I’ve put together a “standalone” library / gem for units of time (in epoch time) incl. seconds, minutes, hours, days, weeks, fortnights, years and more. The units-time library / gem includes two new types too, that is, Timestamp and Timedelta. Happy coding with (secure) ruby. Cheers. Prost. PS: The new units-time 1.0 library is part of the safe data structures series.