- Map time and date into Welsh words.
- Uses the traditional number system (vigesimal like French, but with the words the other way around.)
- The modern (Argentine Welsh) system used in schools and with beginners is not implemented (yet.)
See the implementation in WelshTimeTest.java
- https://en.wikipedia.org/wiki/Welsh_language#Counting_system
- Examples: http://clwbmalucachu.co.uk/cmc/cheat/cheat_time.htm
First written 2019-12-17 Dafydd Rees