Data.

1989-01-31T22:59:59.999731779Z

Date and time

Components

Year	1989
Month	1
Day	31
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999731779
Time zone offset	+00:00

Day (1989-01-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	1989-01-31
	Japan	平成元年1月31日
	Ryuukyuu	平成元年1月31日
Proleptic Julian calendar	AD	1989-01-18
	Japan	平成元年1月18日
	Ryuukyuu	平成元年1月18日
旧暦Kyuureki (Japan)	AD	1988年12月24日
	Japan (北朝)	平成0年12月24日
	Japan (南朝)	平成0年12月24日
旧暦Kyuureki (Ryuukyuu)	AD	1988年12月24日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	平成0年12月24日

Holidays

Japan	Normal day

Properties

Yearless date	--01-31
Day of week (number)	2
Day of week (English)	Tuesday
Day of week (日本語)	火曜日
Kanshi	辛卯 (27₀, 28₁)
六曜 (Japan)	大安

Cast

Unix number	602290799.999732
Unix integer	602290799
HTML number	602290799999.732
HTML month number	228
Julian Day	2447558.45833333
Julian Day (integer of day)	2447558
Modified Julian Day	47557.9583333302
Rata Die	726133.95833333

Serializations

Global date and time string (time zone offset preserved)	1989-01-31T22:59:59.999731779Z
Global date and time string (UTC)	1989-01-31T22:59:59.999731779Z
Normalized forced-UTC global date and time string	1989-01-31T22:59:59.999731779Z
HTTP date	`Tue, 31 Jan 1989 22:59:59 GMT`
RSS2 date-time	`Tue, 31 Jan 1989 22:59:59 +0000`
`document.lastModified` format	`01/31/1989 22:59:59`
Local date and time string	1989-01-31T22:59:59.999731779
Normalized local date and time string	1989-01-31T22:59:59.999731779
Date string	1989-01-31
Date string with optional time	1989-01-31T22:59:59.999731779Z
Year string	1989
Month string	1989-01
Yearless date string	--01-31
Week string	1989-W05
Time string	22:59:59.999731779
Shortest time string	22:59:59.999731779

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	1988-02-01T22:59:59.999731779Z	1990-01-31T22:59:59.999731779Z
30 days	1989-01-01T22:59:59.999731779Z	1989-03-02T22:59:59.999731779Z
7 days	1989-01-24T22:59:59.999731779Z	1989-02-07T22:59:59.999731779Z
Day	1989-01-30T22:59:59.999731779Z	1989-02-01T22:59:59.999731779Z
Hour	1989-01-31T21:59:59.999731779Z	1989-01-31T23:59:59.999731779Z
Minute	1989-01-31T22:58:59.999731779Z	1989-01-31T23:00:59.999731779Z