Data.

-1284283-09-18T23:59:59Z

Date and time

Components

Year	-1284283
Month	9
Day	18
Hour	23
Minute	59
Second (integer part)	59
Second (fraction part)	0
Time zone offset	+00:00

Day (-1284283-09-18)

Notes

Calendars

Proleptic Gregorian calendar	AD	-1284283-09-18
	Japan	西曆-1284283年9月18日
	Ryuukyuu	西曆-1284283年9月18日
Proleptic Julian calendar	AD	-1284256-02-03
	Japan	西曆-1284256年2月3日
	Ryuukyuu	西曆-1284256年2月3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	--09-18
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	庚辰 (16₀, 17₁)
六曜 (Japan)	Unknown

Cast

Unix number	-40590201600001
Unix integer	-40590201600001
HTML number	-40590201600001000
HTML month number	-15435028
Julian Day	-467353412.500012
Julian Day (integer of day)	-467353413
Modified Julian Day	-469753413.000012
Rata Die	-469074837.000012

Serializations

Global date and time string (time zone offset preserved)	-1284283-09-18T23:59:59Z
Global date and time string (UTC)	-1284283-09-18T23:59:59Z
Normalized forced-UTC global date and time string	-1284283-09-18T23:59:59Z
HTTP date	`Sat, 18 Sep -1284283 23:59:59 GMT`
RSS2 date-time	`Sat, 18 Sep -1284283 23:59:59 +0000`
`document.lastModified` format	`09/18/-1284283 23:59:59`
Local date and time string	-1284283-09-18T23:59:59
Normalized local date and time string	-1284283-09-18T23:59:59
Date string	-1284283-09-18
Date string with optional time	-1284283-09-18T23:59:59Z
Year string	-1284283
Month string	-1284283-09
Yearless date string	--09-18
Week string	-1284283-W37
Time string	23:59:59
Shortest time string	23:59:59

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	-1284284-09-18T23:59:59Z	-1284282-09-18T23:59:59Z
30 days	-1284283-08-19T23:59:59Z	-1284283-10-18T23:59:59Z
7 days	-1284283-09-11T23:59:59Z	-1284283-09-25T23:59:59Z
Day	-1284283-09-17T23:59:59Z	-1284283-09-19T23:59:59Z
Hour	-1284283-09-18T22:59:59Z	-1284283-09-19T00:59:59Z
Minute	-1284283-09-18T23:58:59Z	-1284283-09-19T00:00:59Z