`Date.prototype.toLocaleString()`

Returns the date and time formatted for a locale.

Syntax

date.toLocaleString(locales, options)

Returns

string — A locale-aware date and time string.

Examples

const d = new Date("2026-05-15T14:30:00Z");
console.log(
  d.toLocaleString("en-US", { timeZone: "UTC" })
);

Output

5/15/2026, 2:30:00 PM

const d = new Date("2026-05-15T14:30:00Z");
console.log(
  d.toLocaleString("en-GB", { timeZone: "UTC" })
);

Output

15/05/2026, 14:30:00

Notes

- Combines date and time according to the locale and options. - Output varies by environment locale/time-zone data. - For finer control consider `Intl.DateTimeFormat`.

Browser & runtime support

Environment	Since version
chrome	`24`
firefox	`29`
safari	`10`
edge	`12`
node	`0.12`