Data.

1984-09-21T23:57:59.999886453Z

Date and time

Components

Year	1984
Month	9
Day	21
Hour	23
Minute	57
Second (integer part)	59
Second (fraction part)	0.999886453
Time zone offset	+00:00

Day (1984-09-21)

Notes

Calendars

Proleptic Gregorian calendar	AD	1984-09-21
	Japan	昭和59年9月21日
	Ryuukyuu	昭和59年9月21日
Proleptic Julian calendar	AD	1984-09-08
	Japan	昭和59年9月8日
	Ryuukyuu	昭和59年9月8日
旧暦Kyuureki (Japan)	AD	1984年8月26日
	Japan (北朝)	昭和59年8月26日
	Japan (南朝)	昭和59年8月26日
旧暦Kyuureki (Ryuukyuu)	AD	1984年8月26日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和59年8月26日

Holidays

Japan	Normal day

Properties

Yearless date	--09-21
Day of week (number)	5
Day of week (English)	Friday
Day of week (日本語)	金曜日
Kanshi	戊午 (54₀, 55₁)
六曜 (Japan)	先負

Cast

Unix number	464659079.999886
Unix integer	464659079
HTML number	464659079999.886
HTML month number	176
Julian Day	2445965.49861111
Julian Day (integer of day)	2445965
Modified Julian Day	45964.9986111098
Rata Die	724540.99861111

Serializations

Global date and time string (time zone offset preserved)	1984-09-21T23:57:59.999886453Z
Global date and time string (UTC)	1984-09-21T23:57:59.999886453Z
Normalized forced-UTC global date and time string	1984-09-21T23:57:59.999886453Z
HTTP date	`Fri, 21 Sep 1984 23:57:59 GMT`
RSS2 date-time	`Fri, 21 Sep 1984 23:57:59 +0000`
`document.lastModified` format	`09/21/1984 23:57:59`
Local date and time string	1984-09-21T23:57:59.999886453
Normalized local date and time string	1984-09-21T23:57:59.999886453
Date string	1984-09-21
Date string with optional time	1984-09-21T23:57:59.999886453Z
Year string	1984
Month string	1984-09
Yearless date string	--09-21
Week string	1984-W38
Time string	23:57:59.999886453
Shortest time string	23:57:59.999886453

Your browser

`toString`
`toISOString`
`toDateString`
`toTimeString`
`toGMTString`
`toUTCString`
`toJSON`

`toLocaleString`	undefined
	`en`
	`en-US`
	`en-GB`
	`fr`
	`fr-CA`
	`es`
	`es-US`
	`it`
	`de`
	`ja`
	`ja-JP`
	`ja-JP-u-ca-japanese`
	`zh`
	`zh-CN`
	`zh-TW`
	`zh-HK`
	`zh-MO`
	`zh-SG`
	`zh-Hant`
	`zh-Hani`
	`zh-u-ca-chinese`
	`zh-TW-u-ca-roc`
	`ko`
	`th`
	`th-u-ca-buddhist-nu-thai`
	`th-u-nu-arab`
	`ar-EG`
	`ar-SA`
	`ar-SA-u-ca-islamic-nu-latn`
`toLocaleDateString`	undefined
`toLocaleTimeString`	undefined

Links

	Previous	Next
365 days	1983-09-22T23:57:59.999886453Z	1985-09-21T23:57:59.999886453Z
30 days	1984-08-22T23:57:59.999886453Z	1984-10-21T23:57:59.999886453Z
7 days	1984-09-14T23:57:59.999886453Z	1984-09-28T23:57:59.999886453Z
Day	1984-09-20T23:57:59.999886453Z	1984-09-22T23:57:59.999886453Z
Hour	1984-09-21T22:57:59.999886453Z	1984-09-22T00:57:59.999886453Z
Minute	1984-09-21T23:56:59.999886453Z	1984-09-21T23:58:59.999886453Z