@0dep/piso
ISO 8601 interval, date, and duration parser
@musement/iso-duration
JS's library created to provide easy API for working with time duration. Based on ISO 8601. Inspired by [HumanizeDuration](https://github.com/EvanHahn/HumanizeDuration.js) and [ISO8601-duration](https://github.com/tolu/ISO8601-duration).
hijri-week-calendar
A Hijri Week Calendar is an implementation of the ISO 8601 equivalent for the Hijri calendar.