Interface DateTimeFormatOptions

interface DateTimeFormatOptions {
    calendar?: string;
    dateStyle?: "long" | "short" | "full" | "medium";
    day?: "numeric" | "2-digit";
    dayPeriod?: "long" | "short" | "narrow";
    era?: "long" | "short" | "narrow";
    formatMatcher?: "best fit" | "basic";
    fractionalSecondDigits?: 2 | 1 | 3;
    hour?: "numeric" | "2-digit";
    hour12?: boolean;
    hourCycle?: "h11" | "h12" | "h23" | "h24";
    locale?: string;
    localeMatcher?: "best fit" | "lookup";
    minute?: "numeric" | "2-digit";
    month?: "long" | "short" | "narrow" | "numeric" | "2-digit";
    numberingSystem?: string;
    second?: "numeric" | "2-digit";
    timeStyle?: "long" | "short" | "full" | "medium";
    timeZone?: string;
    timeZoneName?:
        | "long"
        | "short"
        | "shortOffset"
        | "longOffset"
        | "shortGeneric"
        | "longGeneric";
    weekday?: "long"
    | "short"
    | "narrow";
    year?: "numeric" | "2-digit";
}