Optional locale overrides applied on top of the locale identifier.
Optional
Calendar identifier, e.g. "gregory", "persian", "buddhist".
"gregory"
"persian"
"buddhist"
ISO 4217 currency code used as the default for Cosmo.money.
IANA time zone, e.g. "Australia/Sydney".
"Australia/Sydney"
Optional locale overrides applied on top of the locale identifier.