@localizer

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Date/time options ​

WARNING

These options are incompatible with presets and cannot be used simultaneously.

weekday ​

The representation of the weekday. Possible values are:

  • "long" - E.g., Thursday
  • "short" - E.g., Thu
  • "narrow" - E.g., T

NOTE

Some locales may use the same narrow style for multiple weekdays (e.g., Tuesday and Thursday both use T).

Examples:

era ​

The representation of the era. Possible values are "long", "short", and "narrow".

Examples:

year ​

The year can be displayed as "numeric" (e.g., 2023) or "2-digit" (e.g., 23).

Examples:

month ​

The representation of the month. Possible values are:

  • "numeric" - E.g., 3
  • "2-digit" - E.g., 03
  • "long" - E.g., March
  • "short" - E.g., Mar
  • "narrow" - E.g., M.

NOTE

Two months may have the same narrow style for some locales (e.g., May's narrow style is also M).

Examples:

day ​

The day can be displayed as "numeric" (e.g., 1) or "2-digit" (e.g., 01).

Examples:

dayPeriod ​

The formatting style for day periods such as "am", "noon", or "in the morning". Possible values are "narrow", "short", and "long".

NOTE

This option only applies when using a 12-hour clock (hourCycle: "h12" or "h11") and may not vary across widths in some locales.

Examples:

Formatter options used in this example
typescript
{
  hourCycle: 'h12';
}

hour ​

The hour can be displayed as "numeric" (e.g., 1) or "2-digit" (e.g., 01).

Examples:

minute ​

The minute can be displayed as "numeric" (e.g., 1) or "2-digit" (e.g., 01).

Examples:

second ​

The second can be displayed as "numeric" (e.g., 1) or "2-digit" (e.g., 01).

Examples:

fractionalSecondDigits ​

The number of fractional second digits to display. Valid values are 1, 2, or 3. Extra digits are truncated.

Examples:

formatMatcher ​

The format matching algorithm to use. Possible values are "basic" and "best fit". The default is "best fit". "Basic" follows the specification, while "best fit" is implementation-defined.

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