Intl.DateTimeFormat

Input

Locale

Date

Time

Intl.DateTimeFormat can also be used from Date.prototype.toLocaleString()

new Date("2022-04-24T19:00")
			.toLocaleString(undefined)
// 4/24/2022, 7:00:00 PM

{
	dateStyle: "full"
}
// Sunday, April 24, 2022

{
	dateStyle: "long"
}
// April 24, 2022

{
	dateStyle: "medium"
}
// Apr 24, 2022

{
	dateStyle: "short"
}
// 4/24/22

{
	timeStyle: "full"
}
// 7:00:00 PM Coordinated Universal Time

{
	timeStyle: "long"
}
// 7:00:00 PM UTC

{
	timeStyle: "medium"
}
// 7:00:00 PM

{
	timeStyle: "short"
}
// 7:00 PM

{
	year: "numeric"
}
// 2022

{
	year: "2-digit"
}
// 22

{
	month: "numeric"
}
// 4

{
	month: "2-digit"
}
// 04

{
	month: "long"
}
// April

{
	month: "short"
}
// Apr

{
	month: "narrow"
}
// A

{
	day: "numeric"
}
// 24

{
	day: "2-digit"
}
// 24

{
	hour: "numeric"
}
// 7 PM

{
	hour: "2-digit"
}
// 07 PM

{
	minute: "numeric"
}
// 0

{
	minute: "2-digit"
}
// 0

{
	second: "numeric"
}
// 0

{
	second: "2-digit"
}
// 0

{
	weekday: "long"
}
// Sunday

{
	weekday: "short"
}
// Sun

{
	weekday: "narrow"
}
// S

{
	era: "long"
}
// 4/24/2022 Anno Domini

{
	era: "short"
}
// 4/24/2022 AD

{
	era: "narrow"
}
// 4/24/2022 A

{
	hour12: true
}
// 7:00:00 PM

{
	hour12: false
}
// 19:00:00

{
	hourCycle: "h11"
}
// 7:00:00 PM

{
	hourCycle: "h12"
}
// 7:00:00 PM

{
	hourCycle: "h23"
}
// 19:00:00

{
	hourCycle: "h24"
}
// 19:00:00

{
	dayPeriod: "long"
}
// in the evening

{
	dayPeriod: "short"
}
// in the evening

{
	dayPeriod: "narrow"
}
// in the evening

{
	fractionalSecondDigits: 1
}
// 0.0

{
	fractionalSecondDigits: 2
}
// 0.00

{
	fractionalSecondDigits: 3
}
// 0.000

{
	calendar: "buddhist"
}
// 4/24/2565 BE

{
	calendar: "chinese"
}
// 2022-03-24

{
	calendar: "coptic"
}
// 8/16/1738 ERA1

{
	calendar: "ethiopia"
}
// 4/24/2022

{
	calendar: "ethiopic"
}
// 8/16/2014 ERA1

{
	calendar: "gregory"
}
// 4/24/2022

{
	calendar: "hebrew"
}
// 23 Nisan 5782

{
	calendar: "indian"
}
// 2/4/1944 Saka

{
	calendar: "islamic"
}
// 9/23/1443 AH

{
	calendar: "iso8601"
}
// 4/24/2022

{
	calendar: "japanese"
}
// 4/24/4 R

{
	calendar: "persian"
}
// 2/4/1401 AP

{
	calendar: "roc"
}
// 4/24/111 Minguo

{
	numberingSystem: "arab"
}
// ٤/٢٤/٢٠٢٢

{
	numberingSystem: "arabext"
}
// ۴/۲۴/۲۰۲۲

{
	numberingSystem: "bali"
}
// ᭔/᭒᭔/᭒᭐᭒᭒

{
	numberingSystem: "beng"
}
// ৪/২৪/২০২২

{
	numberingSystem: "deva"
}
// ४/२४/२०२२

{
	numberingSystem: "fullwide"
}
// ４/２４/２０２２

{
	numberingSystem: "gujr"
}
// ૪/૨૪/૨૦૨૨

{
	numberingSystem: "guru"
}
// ੪/੨੪/੨੦੨੨

{
	numberingSystem: "hanidec"
}
// 四/二四/二〇二二

{
	numberingSystem: "khmr"
}
// ៤/២៤/២០២២

{
	numberingSystem: "knda"
}
// ೪/೨೪/೨೦೨೨

{
	numberingSystem: "laoo"
}
// ໔/໒໔/໒໐໒໒

{
	numberingSystem: "latn"
}
// 4/24/2022

{
	numberingSystem: "limb"
}
// ᥊/᥈᥊/᥈᥆᥈᥈

{
	numberingSystem: "mlym"
}
// ൪/൨൪/൨൦൨൨

{
	numberingSystem: "mong"
}
// ᠔/᠒᠔/᠒᠐᠒᠒

{
	numberingSystem: "mymr"
}
// ၄/၂၄/၂၀၂၂

{
	numberingSystem: "orya"
}
// ୪/୨୪/୨୦୨୨

{
	numberingSystem: "tamldec"
}
// ௪/௨௪/௨௦௨௨

{
	numberingSystem: "telu"
}
// ౪/౨౪/౨౦౨౨

{
	numberingSystem: "thai"
}
// ๔/๒๔/๒๐๒๒

{
	numberingSystem: "tibt"
}
// ༤/༢༤/༢༠༢༢

{
	timeZoneName: "long"
}
// 4/24/2022, Coordinated Universal Time

{
	timeZoneName: "short"
}
// 4/24/2022, UTC

{
	timeZoneName: "shortOffset"
}
// 4/24/2022, GMT

{
	timeZoneName: "longOffset"
}
// 4/24/2022, GMT

{
	timeZoneName: "shortGeneric"
}
// 4/24/2022, GMT

{
	timeZoneName: "longGeneric"
}
// 4/24/2022, GMT

{
	formatMatcher: "best fit"
}
// 4/24/2022

{
	formatMatcher: "basic"
}
// 4/24/2022

{
	localeMatcher: "best fit"
}
// 4/24/2022

{
	localeMatcher: "lookup"
}
// 4/24/2022