Data.

1988-05-23T23:57:59.999886513Z

Date and time

Components

Year	1988
Month	5
Day	23
Hour	23
Minute	57
Second (integer part)	59
Second (fraction part)	0.999886513
Time zone offset	+00:00

Day (1988-05-23)

Notes

Calendars

Proleptic Gregorian calendar	AD	1988-05-23
	Japan	昭和63年5月23日
	Ryuukyuu	昭和63年5月23日
Proleptic Julian calendar	AD	1988-05-10
	Japan	昭和63年5月10日
	Ryuukyuu	昭和63年5月10日
旧暦Kyuureki (Japan)	AD	1988年4月8日
	Japan (北朝)	昭和63年4月8日
	Japan (南朝)	昭和63年4月8日
旧暦Kyuureki (Ryuukyuu)	AD	1988年4月8日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和63年4月8日

Holidays

Japan	Normal day

Properties

Yearless date	--05-23
Day of week (number)	1
Day of week (English)	Monday
Day of week (日本語)	月曜日
Kanshi	戊寅 (14₀, 15₁)
六曜 (Japan)	大安

Cast

Unix number	580435079.999887
Unix integer	580435079
HTML number	580435079999.886
HTML month number	220
Julian Day	2447305.49861111
Julian Day (integer of day)	2447305
Modified Julian Day	47304.9986111098
Rata Die	725880.99861111

Serializations

Global date and time string (time zone offset preserved)	1988-05-23T23:57:59.999886513Z
Global date and time string (UTC)	1988-05-23T23:57:59.999886513Z
Normalized forced-UTC global date and time string	1988-05-23T23:57:59.999886513Z
HTTP date	`Mon, 23 May 1988 23:57:59 GMT`
RSS2 date-time	`Mon, 23 May 1988 23:57:59 +0000`
`document.lastModified` format	`05/23/1988 23:57:59`
Local date and time string	1988-05-23T23:57:59.999886513
Normalized local date and time string	1988-05-23T23:57:59.999886513
Date string	1988-05-23
Date string with optional time	1988-05-23T23:57:59.999886513Z
Year string	1988
Month string	1988-05
Yearless date string	--05-23
Week string	1988-W21
Time string	23:57:59.999886513
Shortest time string	23:57:59.999886513

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

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365 days	1987-05-24T23:57:59.999886513Z	1989-05-23T23:57:59.999886513Z
30 days	1988-04-23T23:57:59.999886513Z	1988-06-22T23:57:59.999886513Z
7 days	1988-05-16T23:57:59.999886513Z	1988-05-30T23:57:59.999886513Z
Day	1988-05-22T23:57:59.999886513Z	1988-05-24T23:57:59.999886513Z
Hour	1988-05-23T22:57:59.999886513Z	1988-05-24T00:57:59.999886513Z
Minute	1988-05-23T23:56:59.999886513Z	1988-05-23T23:58:59.999886513Z