Data.

-108-12-31T22:59:59.999702454Z

Date and time

Components

Year	-108
Month	12
Day	31
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999702454
Time zone offset	+00:00

Day (-0108-12-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	-0108-12-31
	Japan	开化天皇49年12月31日
	Ryuukyuu	开化天皇49年12月31日
Proleptic Julian calendar	AD	-0107-01-03
	Japan	开化天皇50年1月3日
	Ryuukyuu	开化天皇50年1月3日
旧暦Kyuureki (Japan)	AD	-108年11月26日
	Japan (北朝)	开化天皇49年11月26日
	Japan (南朝)	开化天皇49年11月26日
旧暦Kyuureki (Ryuukyuu)	AD	-108年11月26日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	开化天皇49年11月26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	壬子 (48₀, 49₁)
六曜 (Japan)	赤口

Cast

Unix number	-65543734800.0003
Unix integer	-65543734801
HTML number	-65543734800000.3
HTML month number	-24925
Julian Day	1681979.45833333
Julian Day (integer of day)	1681979
Modified Julian Day	-718021.04166667
Rata Die	-39445.0416666702

Serializations

Global date and time string (time zone offset preserved)	-108-12-31T22:59:59.999702454Z
Global date and time string (UTC)	-108-12-31T22:59:59.999702454Z
Normalized forced-UTC global date and time string	-108-12-31T22:59:59.999702454Z
HTTP date	`Sat, 31 Dec -108 22:59:59 GMT`
RSS2 date-time	`Sat, 31 Dec -108 22:59:59 +0000`
`document.lastModified` format	`12/31/-108 22:59:59`
Local date and time string	-108-12-31T22:59:59.999702454
Normalized local date and time string	-108-12-31T22:59:59.999702454
Date string	-108-12-31
Date string with optional time	-108-12-31T22:59:59.999702454Z
Year string	-108
Month string	-108-12
Yearless date string	--12-31
Week string	-108-W52
Time string	22:59:59.999702454
Shortest time string	22:59:59.999702454

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	-108-01-01T22:59:59.999702454Z	-107-12-31T22:59:59.999702454Z
30 days	-108-12-01T22:59:59.999702454Z	-107-01-30T22:59:59.999702454Z
7 days	-108-12-24T22:59:59.999702454Z	-107-01-07T22:59:59.999702454Z
Day	-108-12-30T22:59:59.999702454Z	-107-01-01T22:59:59.999702454Z
Hour	-108-12-31T21:59:59.999702454Z	-108-12-31T23:59:59.999702454Z
Minute	-108-12-31T22:58:59.999702454Z	-108-12-31T23:00:59.999702454Z