Data.

0901-12-31T22:59:59.999713898Z

Date and time

Components

Year	901
Month	12
Day	31
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999713898
Time zone offset	+00:00

Day (0901-12-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	0901-12-31
	Japan	延喜元年12月31日
	Ryuukyuu	延喜元年12月31日
Proleptic Julian calendar	AD	0901-12-26
	Japan	延喜元年12月26日
	Ryuukyuu	延喜元年12月26日
旧暦Kyuureki (Japan)	AD	901年11月13日
	Japan (北朝)	延喜元年11月13日
	Japan (南朝)	延喜元年11月13日
旧暦Kyuureki (Ryuukyuu)	AD	901年11月13日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	延喜元年11月13日

Holidays

Japan	Normal day

Properties

Yearless date	--12-31
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	辛酉 (57₀, 58₁)
六曜 (Japan)	大安

Cast

Unix number	-33702829200.0003
Unix integer	-33702829201
HTML number	-33702829200000.3
HTML month number	-12817
Julian Day	2050508.45833333
Julian Day (integer of day)	2050508
Modified Julian Day	-349492.04166667
Rata Die	329083.95833333

Serializations

Global date and time string (time zone offset preserved)	0901-12-31T22:59:59.999713898Z
Global date and time string (UTC)	0901-12-31T22:59:59.999713898Z
Normalized forced-UTC global date and time string	0901-12-31T22:59:59.999713898Z
HTTP date	`Sat, 31 Dec 0901 22:59:59 GMT`
RSS2 date-time	`Sat, 31 Dec 0901 22:59:59 +0000`
`document.lastModified` format	`12/31/0901 22:59:59`
Local date and time string	0901-12-31T22:59:59.999713898
Normalized local date and time string	0901-12-31T22:59:59.999713898
Date string	0901-12-31
Date string with optional time	0901-12-31T22:59:59.999713898Z
Year string	0901
Month string	0901-12
Yearless date string	--12-31
Week string	0901-W52
Time string	22:59:59.999713898
Shortest time string	22:59:59.999713898

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	0900-12-31T22:59:59.999713898Z	0902-12-31T22:59:59.999713898Z
30 days	0901-12-01T22:59:59.999713898Z	0902-01-30T22:59:59.999713898Z
7 days	0901-12-24T22:59:59.999713898Z	0902-01-07T22:59:59.999713898Z
Day	0901-12-30T22:59:59.999713898Z	0902-01-01T22:59:59.999713898Z
Hour	0901-12-31T21:59:59.999713898Z	0901-12-31T23:59:59.999713898Z
Minute	0901-12-31T22:58:59.999713898Z	0901-12-31T23:00:59.999713898Z