Returns the complete, frozen list of representative IANA zones in preference
order after applying the existing state normalizer. The first entry prefers
the timezone whose local calendar day ends earliest in UTC under current rules.
The ordering is fixed; zones can tie, and historical ordering can differ.
Omitted, blank, Any, and unrecognized states return a frozen empty array.
Selection is left to callers.
Returns the complete, frozen list of representative IANA zones in preference order after applying the existing state normalizer. The first entry prefers the timezone whose local calendar day ends earliest in UTC under current rules. The ordering is fixed; zones can tie, and historical ordering can differ.
Omitted, blank,
Any, and unrecognized states return a frozen empty array. Selection is left to callers.