Retrieves locale-specific rules used to determine which day period to use when more than one period is defined for a locale.

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getLocaleExtraDayPeriodRules(locale: string): (Time | [ Time, Time ])[]

locale string

A locale code for the locale format rules to use.


(Time | [ Time, Time ])[]: The rules for the locale, a single time value or array of from-time, to-time, or null if no periods are available.

See also


There is a rule for each defined day period. The first rule is applied to the first day period and so on. Fall back to AM/PM when no rules are available.

A rule can specify a period as time range, or as a single time value.

This functionality is only available when you have loaded the full locale data. See the "I18n guide".

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