Change documentation for some Calendar fields. (#4551)
Change documentation for some Calendar fields. (#4551)

The IANA tz database is the most relevant database to use for time zone
IDs.
ggcampinho/elixir,lexmag/elixir,antipax/elixir,lexmag/elixir,pedrosnk/elixir,beedub/elixir,gfvcastro/elixir,michalmuskala/elixir,pedrosnk/elixir,kimshrier/elixir,kelvinst/elixir,ggcampinho/elixir,kelvinst/elixir,gfvcastro/elixir,beedub/elixir,kimshrier/elixir,elixir-lang/elixir,antipax/elixir,joshprice/elixir