Data.

1986-09-15T23:58:59.99999398Z

Date and time

Components

Year	1986
Month	9
Day	15
Hour	23
Minute	58
Second (integer part)	59
Second (fraction part)	0.99999398
Time zone offset	+00:00

Day (1986-09-15)

Notes

Calendars

Proleptic Gregorian calendar	AD	1986-09-15
	Japan	昭和61年9月15日
	Ryuukyuu	昭和61年9月15日
Proleptic Julian calendar	AD	1986-09-02
	Japan	昭和61年9月2日
	Ryuukyuu	昭和61年9月2日
旧暦Kyuureki (Japan)	AD	1986年8月12日
	Japan (北朝)	昭和61年8月12日
	Japan (南朝)	昭和61年8月12日
旧暦Kyuureki (Ryuukyuu)	AD	1986年8月12日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和61年8月12日

Holidays

Japan	🇯🇵 敬老の日

Properties

Yearless date	--09-15
Day of week (number)	1
Day of week (English)	Monday
Day of week (日本語)	月曜日
Kanshi	壬戌 (58₀, 59₁)
六曜 (Japan)	先勝

Cast

Unix number	527212739.999994
Unix integer	527212739
HTML number	527212739999.994
HTML month number	200
Julian Day	2446689.49930556
Julian Day (integer of day)	2446689
Modified Julian Day	46688.9993055556
Rata Die	725264.999305556

Serializations

Global date and time string (time zone offset preserved)	1986-09-15T23:58:59.99999398Z
Global date and time string (UTC)	1986-09-15T23:58:59.99999398Z
Normalized forced-UTC global date and time string	1986-09-15T23:58:59.99999398Z
HTTP date	`Mon, 15 Sep 1986 23:58:59 GMT`
RSS2 date-time	`Mon, 15 Sep 1986 23:58:59 +0000`
`document.lastModified` format	`09/15/1986 23:58:59`
Local date and time string	1986-09-15T23:58:59.99999398
Normalized local date and time string	1986-09-15T23:58:59.99999398
Date string	1986-09-15
Date string with optional time	1986-09-15T23:58:59.99999398Z
Year string	1986
Month string	1986-09
Yearless date string	--09-15
Week string	1986-W38
Time string	23:58:59.99999398
Shortest time string	23:58:59.99999398

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	1985-09-15T23:58:59.99999398Z	1987-09-15T23:58:59.99999404Z
30 days	1986-08-16T23:58:59.99999398Z	1986-10-15T23:58:59.99999398Z
7 days	1986-09-08T23:58:59.99999398Z	1986-09-22T23:58:59.99999398Z
Day	1986-09-14T23:58:59.99999398Z	1986-09-16T23:58:59.99999398Z
Hour	1986-09-15T22:58:59.99999398Z	1986-09-16T00:58:59.99999398Z
Minute	1986-09-15T23:57:59.99999398Z	1986-09-15T23:59:59.99999398Z