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    A datetime column's date_format in its Custom form: per-part Intl.DateTimeFormatOptions overrides, discriminated from the Simple preset form by the required format: "custom" key. Each part is a [CustomDatetimeFormat] variant valid for that Intl option; "disabled" omits the part from the formatted output entirely.

    type CustomDatetimeStyleConfig = {
        day?: CustomDatetimeFormat;
        format: FormatUnit;
        fractionalSecondDigits?: number;
        hour?: CustomDatetimeFormat;
        hour12?: boolean;
        minute?: CustomDatetimeFormat;
        month?: CustomDatetimeFormat;
        second?: CustomDatetimeFormat;
        timeZone?: string | null;
        weekday?: CustomDatetimeFormat;
        year?: CustomDatetimeFormat;
    }
    Index

    Properties

    Defaults to "numeric".

    format: FormatUnit
    fractionalSecondDigits?: number

    Sub-second digits to display, 0-3 (0 = none).

    Defaults to "numeric".

    hour12?: boolean

    12-hour clock; defaults to true.

    Defaults to "numeric".

    Numeric or name form; defaults to "numeric".

    Defaults to "numeric".

    timeZone?: string | null

    An IANA time zone name (e.g. "America/New_York"); defaults to the browser's local time zone.

    A name form ("long"/"short"/"narrow"); defaults to "disabled" (weekday not shown).

    Defaults to "2-digit".