Data.

1991-12-31T22:59:59.999732018Z

Date and time

Components

Year	1991
Month	12
Day	31
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999732018
Time zone offset	+00:00

Day (1991-12-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	1991-12-31
	Japan	平成3年12月31日
	Ryuukyuu	平成3年12月31日
Proleptic Julian calendar	AD	1991-12-18
	Japan	平成3年12月18日
	Ryuukyuu	平成3年12月18日
旧暦Kyuureki (Japan)	AD	1991年11月26日
	Japan (北朝)	平成3年11月26日
	Japan (南朝)	平成3年11月26日
旧暦Kyuureki (Ryuukyuu)	AD	1991年11月26日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	平成3年11月26日

Holidays

Japan	Normal day

Properties

Yearless date	--12-31
Day of week (number)	2
Day of week (English)	Tuesday
Day of week (日本語)	火曜日
Kanshi	乙亥 (11₀, 12₁)
六曜 (Japan)	赤口

Cast

Unix number	694220399.999732
Unix integer	694220399
HTML number	694220399999.732
HTML month number	263
Julian Day	2448622.45833333
Julian Day (integer of day)	2448622
Modified Julian Day	48621.9583333302
Rata Die	727197.95833333

Serializations

Global date and time string (time zone offset preserved)	1991-12-31T22:59:59.999732018Z
Global date and time string (UTC)	1991-12-31T22:59:59.999732018Z
Normalized forced-UTC global date and time string	1991-12-31T22:59:59.999732018Z
HTTP date	`Tue, 31 Dec 1991 22:59:59 GMT`
RSS2 date-time	`Tue, 31 Dec 1991 22:59:59 +0000`
`document.lastModified` format	`12/31/1991 22:59:59`
Local date and time string	1991-12-31T22:59:59.999732018
Normalized local date and time string	1991-12-31T22:59:59.999732018
Date string	1991-12-31
Date string with optional time	1991-12-31T22:59:59.999732018Z
Year string	1991
Month string	1991-12
Yearless date string	--12-31
Week string	1992-W01
Time string	22:59:59.999732018
Shortest time string	22:59:59.999732018

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	1990-12-31T22:59:59.999732018Z	1992-12-30T22:59:59.999732018Z
30 days	1991-12-01T22:59:59.999732018Z	1992-01-30T22:59:59.999732018Z
7 days	1991-12-24T22:59:59.999732018Z	1992-01-07T22:59:59.999732018Z
Day	1991-12-30T22:59:59.999732018Z	1992-01-01T22:59:59.999732018Z
Hour	1991-12-31T21:59:59.999732018Z	1991-12-31T23:59:59.999732018Z
Minute	1991-12-31T22:58:59.999732018Z	1991-12-31T23:00:59.999732018Z