Data.

1971-01-31T22:59:59.999422997Z

Date and time

Components

Year	1971
Month	1
Day	31
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999422997
Time zone offset	+00:00

Day (1971-01-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	1971-01-31
	Japan	昭和46年1月31日
	Ryuukyuu	西曆1971年1月31日
Proleptic Julian calendar	AD	1971-01-18
	Japan	昭和46年1月18日
	Ryuukyuu	西曆1971年1月18日
旧暦Kyuureki (Japan)	AD	1971年正月5日
	Japan (北朝)	昭和46年正月5日
	Japan (南朝)	昭和46年正月5日
旧暦Kyuureki (Ryuukyuu)	AD	1971年正月5日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	西曆1971年正月5日

Holidays

Japan	Sunday
Ryukyu	Sunday

Properties

Yearless date	--01-31
Day of week (number)	0
Day of week (English)	Sunday
Day of week (日本語)	日曜日
Kanshi	丙辰 (52₀, 53₁)
六曜 (Japan)	大安

Cast

Unix number	34210799.999423
Unix integer	34210799
HTML number	34210799999.423
HTML month number	12
Julian Day	2440983.45833333
Julian Day (integer of day)	2440983
Modified Julian Day	40982.9583333265
Rata Die	719558.958333327

Serializations

Global date and time string (time zone offset preserved)	1971-01-31T22:59:59.999422997Z
Global date and time string (UTC)	1971-01-31T22:59:59.999422997Z
Normalized forced-UTC global date and time string	1971-01-31T22:59:59.999422997Z
HTTP date	`Sun, 31 Jan 1971 22:59:59 GMT`
RSS2 date-time	`Sun, 31 Jan 1971 22:59:59 +0000`
`document.lastModified` format	`01/31/1971 22:59:59`
Local date and time string	1971-01-31T22:59:59.999422997
Normalized local date and time string	1971-01-31T22:59:59.999422997
Date string	1971-01-31
Date string with optional time	1971-01-31T22:59:59.999422997Z
Year string	1971
Month string	1971-01
Yearless date string	--01-31
Week string	1971-W04
Time string	22:59:59.999422997
Shortest time string	22:59:59.999422997

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

	Previous	Next
365 days	1970-01-31T22:59:59.999422997Z	1972-01-31T22:59:59.999422997Z
30 days	1971-01-01T22:59:59.999422997Z	1971-03-02T22:59:59.999422997Z
7 days	1971-01-24T22:59:59.999422997Z	1971-02-07T22:59:59.999422997Z
Day	1971-01-30T22:59:59.999422997Z	1971-02-01T22:59:59.999422997Z
Hour	1971-01-31T21:59:59.999422997Z	1971-01-31T23:59:59.999422997Z
Minute	1971-01-31T22:58:59.999422997Z	1971-01-31T23:00:59.999422997Z