Data.

-2217-12-20T07:59:59.789001465Z

Date and time

Components

Year	-2217
Month	12
Day	20
Hour	7
Minute	59
Second (integer part)	59
Second (fraction part)	0.789001465
Time zone offset	+00:00

Day (-2217-12-20)

Notes

Calendars

Proleptic Gregorian calendar	AD	-2217-12-20
	Japan	西曆-2217年12月20日
	Ryuukyuu	西曆-2217年12月20日
Proleptic Julian calendar	AD	-2216-01-08
	Japan	西曆-2216年1月8日
	Ryuukyuu	西曆-2216年1月8日
旧暦Kyuureki (Japan)	AD	Unknown
	Japan (北朝)	Unknown
	Japan (南朝)	Unknown
旧暦Kyuureki (Ryuukyuu)	AD	Unknown
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	Unknown

Holidays

Japan	Normal day

Properties

Yearless date	--12-20
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	甲申 (20₀, 21₁)
六曜 (Japan)	Unknown

Cast

Unix number	-132098400000.211
Unix integer	-132098400001
HTML number	-132098400000211
HTML month number	-50233
Julian Day	911670.833330891
Julian Day (integer of day)	911671
Modified Julian Day	-1488329.66666911
Rata Die	-809753.666669109

Serializations

Global date and time string (time zone offset preserved)	-2217-12-20T07:59:59.789001465Z
Global date and time string (UTC)	-2217-12-20T07:59:59.789001465Z
Normalized forced-UTC global date and time string	-2217-12-20T07:59:59.789001465Z
HTTP date	`Sat, 20 Dec -2217 07:59:59 GMT`
RSS2 date-time	`Sat, 20 Dec -2217 07:59:59 +0000`
`document.lastModified` format	`12/20/-2217 07:59:59`
Local date and time string	-2217-12-20T07:59:59.789001465
Normalized local date and time string	-2217-12-20T07:59:59.789001465
Date string	-2217-12-20
Date string with optional time	-2217-12-20T07:59:59.789001465Z
Year string	-2217
Month string	-2217-12
Yearless date string	--12-20
Week string	-2217-W51
Time string	07:59:59.789001465
Shortest time string	07:59:59.789001465

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	-2218-12-20T07:59:59.789001465Z	-2216-12-19T07:59:59.789001465Z
30 days	-2217-11-20T07:59:59.789001465Z	-2216-01-19T07:59:59.789001465Z
7 days	-2217-12-13T07:59:59.789001465Z	-2217-12-27T07:59:59.789001465Z
Day	-2217-12-19T07:59:59.789001465Z	-2217-12-21T07:59:59.789001465Z
Hour	-2217-12-20T06:59:59.789001465Z	-2217-12-20T08:59:59.789001465Z
Minute	-2217-12-20T07:58:59.789001465Z	-2217-12-20T08:00:59.789001465Z