Rust implementations of [Hundred Rabbits]()' [Arvelie](https://wiki.xxiivv.com/site/arvelie.html) and [Neralie](https://wiki.xxiivv.com/site/neralie.html) date and time formats.
Arvelie is an alphanumeric date format, with numeric years, alphabetical radix-26 months, and numerical radix-14 month-days.
Neralie is a decimal time format, with days broken up by "beats", each made up of 1000 "pulses".