# arvelie https://wiki.xxiivv.com/site/arvelie.html https://wiki.xxiivv.com/site/time.html ## cli npm i -g arvelie > arvelie 01A10 2001-01-10 > arvelie 1901A10 1901-01-10 > arvelie 2001-01-10 01A10 > arvelie 1901-01-10 1901A10 ## lib npm i arvelie const { fromArvelie, toArvelie } = require('arvelie') fromArvelie('01A10') // '2001-01-10' toArvelie('2001-01-10') // '01A10'