Data.

1841-12-04T21:59:59.999986649Z

Date and time

Components

Year	1841
Month	12
Day	4
Hour	21
Minute	59
Second (integer part)	59
Second (fraction part)	0.999986649
Time zone offset	+00:00

Day (1841-12-04)

Notes

Calendars

Proleptic Gregorian calendar	AD	1841-12-04
	Japan	天保12年12月4日
	Ryuukyuu	道光21年12月4日
Proleptic Julian calendar	AD	1841-11-22
	Japan	天保12年11月22日
	Ryuukyuu	道光21年11月22日
旧暦Kyuureki (Japan)	AD	1841年10月22日
	Japan (北朝)	天保12年10月22日
	Japan (南朝)	天保12年10月22日
旧暦Kyuureki (Ryuukyuu)	AD	1841年10月22日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	道光21年10月22日

Holidays

Japan	Normal day

Properties

Yearless date	--12-04
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	壬寅 (38₀, 39₁)
六曜 (Japan)	先勝

Cast

Unix number	-4041626400.00001
Unix integer	-4041626401
HTML number	-4041626400000.01
HTML month number	-1537
Julian Day	2393809.41666667
Julian Day (integer of day)	2393809
Modified Julian Day	-6191.08333333349
Rata Die	672384.916666667

Serializations

Global date and time string (time zone offset preserved)	1841-12-04T21:59:59.999986649Z
Global date and time string (UTC)	1841-12-04T21:59:59.999986649Z
Normalized forced-UTC global date and time string	1841-12-04T21:59:59.999986649Z
HTTP date	`Sat, 04 Dec 1841 21:59:59 GMT`
RSS2 date-time	`Sat, 04 Dec 1841 21:59:59 +0000`
`document.lastModified` format	`12/04/1841 21:59:59`
Local date and time string	1841-12-04T21:59:59.999986649
Normalized local date and time string	1841-12-04T21:59:59.999986649
Date string	1841-12-04
Date string with optional time	1841-12-04T21:59:59.999986649Z
Year string	1841
Month string	1841-12
Yearless date string	--12-04
Week string	1841-W48
Time string	21:59:59.999986649
Shortest time string	21:59:59.999986649

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	1840-12-04T21:59:59.999986649Z	1842-12-04T21:59:59.999986649Z
30 days	1841-11-04T21:59:59.999986649Z	1842-01-03T21:59:59.999986649Z
7 days	1841-11-27T21:59:59.999986649Z	1841-12-11T21:59:59.999986649Z
Day	1841-12-03T21:59:59.999986649Z	1841-12-05T21:59:59.999986649Z
Hour	1841-12-04T20:59:59.999986649Z	1841-12-04T22:59:59.999986649Z
Minute	1841-12-04T21:58:59.999986649Z	1841-12-04T22:00:59.999986649Z