Data.

1989-10-21T22:59:59.999731779Z

Date and time

Components

Year	1989
Month	10
Day	21
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999731779
Time zone offset	+00:00

Day (1989-10-21)

Notes

Calendars

Proleptic Gregorian calendar	AD	1989-10-21
	Japan	平成元年10月21日
	Ryuukyuu	平成元年10月21日
Proleptic Julian calendar	AD	1989-10-08
	Japan	平成元年10月8日
	Ryuukyuu	平成元年10月8日
旧暦Kyuureki (Japan)	AD	1989年9月22日
	Japan (北朝)	平成元年9月22日
	Japan (南朝)	平成元年9月22日
旧暦Kyuureki (Ryuukyuu)	AD	1989年9月22日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	平成元年9月22日

Holidays

Japan	Saturday

Properties

Yearless date	--10-21
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	甲寅 (50₀, 51₁)
六曜 (Japan)	赤口

Cast

Unix number	625013999.999732
Unix integer	625013999
HTML number	625013999999.732
HTML month number	237
Julian Day	2447821.45833333
Julian Day (integer of day)	2447821
Modified Julian Day	47820.9583333302
Rata Die	726396.95833333

Serializations

Global date and time string (time zone offset preserved)	1989-10-21T22:59:59.999731779Z
Global date and time string (UTC)	1989-10-21T22:59:59.999731779Z
Normalized forced-UTC global date and time string	1989-10-21T22:59:59.999731779Z
HTTP date	`Sat, 21 Oct 1989 22:59:59 GMT`
RSS2 date-time	`Sat, 21 Oct 1989 22:59:59 +0000`
`document.lastModified` format	`10/21/1989 22:59:59`
Local date and time string	1989-10-21T22:59:59.999731779
Normalized local date and time string	1989-10-21T22:59:59.999731779
Date string	1989-10-21
Date string with optional time	1989-10-21T22:59:59.999731779Z
Year string	1989
Month string	1989-10
Yearless date string	--10-21
Week string	1989-W42
Time string	22:59:59.999731779
Shortest time string	22:59:59.999731779

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	1988-10-21T22:59:59.999731779Z	1990-10-21T22:59:59.999731779Z
30 days	1989-09-21T22:59:59.999731779Z	1989-11-20T22:59:59.999731779Z
7 days	1989-10-14T22:59:59.999731779Z	1989-10-28T22:59:59.999731779Z
Day	1989-10-20T22:59:59.999731779Z	1989-10-22T22:59:59.999731779Z
Hour	1989-10-21T21:59:59.999731779Z	1989-10-21T23:59:59.999731779Z
Minute	1989-10-21T22:58:59.999731779Z	1989-10-21T23:00:59.999731779Z