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agent-skills/skills/vueuse-functions/references/useTimeAgoIntl.md
Jason Woltje f5792c40be feat: Complete fleet — 94 skills across 10+ domains
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 16:27:42 -06:00

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---
category: Time
---
# useTimeAgoIntl
Reactive time ago with i18n supported. Automatically update the time ago string when the time changes. Powered by `Intl.RelativeTimeFormat`.
## Usage
```js
import { useTimeAgoIntl } from '@vueuse/core'
const timeAgoIntl = useTimeAgoIntl(new Date(2021, 0, 1))
```
## Non-Reactivity Usage
In case you don't need the reactivity, you can use the `formatTimeAgo` function to get the formatted string instead of a Ref.
```js
import { formatTimeAgoIntl } from '@vueuse/core'
const timeAgoIntl = formatTimeAgoIntl(new Date(2021, 0, 1)) // string
```
## Type Declarations
```ts
type Locale = Intl.UnicodeBCP47LocaleIdentifier | Intl.Locale
export interface FormatTimeAgoIntlOptions {
/**
* The locale to format with
*
* @default undefined
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#locales
*/
locale?: Locale
/**
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#options
*/
relativeTimeFormatOptions?: Intl.RelativeTimeFormatOptions
/**
* Whether to insert spaces between parts.
*
* Ignored if `joinParts` is provided.
*
* @default true
*/
insertSpace?: boolean
/**
* Custom function to join the parts returned by `Intl.RelativeTimeFormat.formatToParts`.
*
* If provided, it will be used instead of the default join logic.
*/
joinParts?: (
parts: Intl.RelativeTimeFormatPart[],
locale?: Intl.UnicodeBCP47LocaleIdentifier | Intl.Locale,
) => string
/**
* Custom units
*/
units?: TimeAgoUnit[]
}
export interface UseTimeAgoIntlOptions<Controls extends boolean>
extends FormatTimeAgoIntlOptions {
/**
* Expose more controls and the raw `parts` result.
*
* @default false
*/
controls?: Controls
/**
* Update interval in milliseconds, set 0 to disable auto update
*
* @default 30_000
*/
updateInterval?: number
}
type UseTimeAgoReturn<Controls extends boolean = false> = Controls extends true
? {
timeAgoIntl: ComputedRef<string>
parts: ComputedRef<Intl.RelativeTimeFormatPart[]>
} & Pausable
: ComputedRef<string>
export interface TimeAgoUnit {
name: Intl.RelativeTimeFormatUnit
ms: number
}
/**
* A reactive wrapper for `Intl.RelativeTimeFormat`.
*/
export declare function useTimeAgoIntl(
time: MaybeRefOrGetter<Date | number | string>,
options?: UseTimeAgoIntlOptions<false>,
): UseTimeAgoReturn<false>
export declare function useTimeAgoIntl(
time: MaybeRefOrGetter<Date | number | string>,
options: UseTimeAgoIntlOptions<true>,
): UseTimeAgoReturn<true>
/**
* Non-reactive version of useTimeAgoIntl
*/
export declare function formatTimeAgoIntl(
from: Date,
options?: FormatTimeAgoIntlOptions,
now?: Date | number,
): string
/**
* Format parts into a string
*/
export declare function formatTimeAgoIntlParts(
parts: Intl.RelativeTimeFormatPart[],
options?: FormatTimeAgoIntlOptions,
): string
```