# `Cldr.UnknownTimezone`
[🔗](https://github.com/elixir-cldr/cldr_dates_times/blob/v2.25.6/lib/cldr/datetime/exception.ex#L13)

Exception raised when an attempt is made to use a time zone that is not known.

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*Consult [api-reference.md](api-reference.md) for complete listing*