Data.

1858-01-23T22:59:59.99973011Z

Date and time

Components

Year	1858
Month	1
Day	23
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.99973011
Time zone offset	+00:00

Day (1858-01-23)

Notes

Calendars

Proleptic Gregorian calendar	AD	1858-01-23
	Japan	安政5年1月23日
	Ryuukyuu	咸豊8年1月23日
Proleptic Julian calendar	AD	1858-01-11
	Japan	安政5年1月11日
	Ryuukyuu	咸豊8年1月11日
旧暦Kyuureki (Japan)	AD	1857年12月9日
	Japan (北朝)	安政4年12月9日
	Japan (南朝)	安政4年12月9日
旧暦Kyuureki (Ryuukyuu)	AD	1857年12月9日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	咸豊7年12月9日

Holidays

Japan	Normal day

Properties

Yearless date	--01-23
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	丙辰 (52₀, 53₁)
六曜 (Japan)	友引

Cast

Unix number	-3532381200.00027
Unix integer	-3532381201
HTML number	-3532381200000.27
HTML month number	-1344
Julian Day	2399703.45833333
Julian Day (integer of day)	2399703
Modified Julian Day	-297.041666669771
Rata Die	678278.95833333

Serializations

Global date and time string (time zone offset preserved)	1858-01-23T22:59:59.99973011Z
Global date and time string (UTC)	1858-01-23T22:59:59.99973011Z
Normalized forced-UTC global date and time string	1858-01-23T22:59:59.99973011Z
HTTP date	`Sat, 23 Jan 1858 22:59:59 GMT`
RSS2 date-time	`Sat, 23 Jan 1858 22:59:59 +0000`
`document.lastModified` format	`01/23/1858 22:59:59`
Local date and time string	1858-01-23T22:59:59.99973011
Normalized local date and time string	1858-01-23T22:59:59.99973011
Date string	1858-01-23
Date string with optional time	1858-01-23T22:59:59.99973011Z
Year string	1858
Month string	1858-01
Yearless date string	--01-23
Week string	1858-W03
Time string	22:59:59.99973011
Shortest time string	22:59:59.99973011

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	1857-01-23T22:59:59.99973011Z	1859-01-23T22:59:59.99973011Z
30 days	1857-12-24T22:59:59.99973011Z	1858-02-22T22:59:59.99973011Z
7 days	1858-01-16T22:59:59.99973011Z	1858-01-30T22:59:59.99973011Z
Day	1858-01-22T22:59:59.99973011Z	1858-01-24T22:59:59.99973011Z
Hour	1858-01-23T21:59:59.99973011Z	1858-01-23T23:59:59.99973011Z
Minute	1858-01-23T22:58:59.99973011Z	1858-01-23T23:00:59.99973011Z