Temporal.PlainTime.prototype.until()

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The until() method of Temporal.PlainTime instances returns a new Temporal.Duration object representing the duration from this time to another time (in a form convertible by Temporal.PlainTime.from()). The duration is positive if the other time is after this time, and negative if before.

This method does other - this. To do this - other, use the since() method.

Syntax

until(other)
until(other, options)

Parameters

other: A string, an object, or a Temporal.PlainTime instance representing a time to subtract this time from. It is converted to a Temporal.PlainTime object using the same algorithm as Temporal.PlainTime.from(). It must have the same calendar as this.
options Optional: The same options as since().

Return value

A new Temporal.Duration object representing the duration from this time until other. The duration is positive if other is after this time, and negative if before.

Exceptions

RangeError: Thrown if any of the options is invalid.

Examples

Using until()

const lunchTime = Temporal.PlainTime.from("12:30:00");
const now = Temporal.Now.plainTimeISO();
const duration = now.until(lunchTime);
console.log(`It will be ${duration.toLocaleString("en-US")} until lunch`);
// Example output: "It will be 3 hr, 42 min, 21 sec, 343 ms, 131 μs, 718 ns until lunch"

For more examples, see since().

Specifications

Specification
Temporal proposal # sec-temporal.plaintime.prototype.until

Browser compatibility

	Desktop					Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`until`	No	No	No	No	preview	No	No	No	No	No	No	1.40	No