original:
Original library
support custom language but not custom timezone or calendar
luxon:
Formatter that use Luxon js as library
support custom language and custom timezone and custom calendar
swatch:
Use luxon to provide Swatch beat time format
meaningful example of custom formatter ability
Added frequency updater selector:
Give the possibility to change the frequence that the clock is refreshed (very important for millisecond usage)
Added Custom Formatters:
Added frequency updater selector: