Data.

1631-10-31T01:59:59.999700546Z

Date and time

Components

Year	1631
Month	10
Day	31
Hour	1
Minute	59
Second (integer part)	59
Second (fraction part)	0.999700546
Time zone offset	+00:00

Day (1631-10-31)

Notes

Calendars

Proleptic Gregorian calendar	AD	1631-10-31
	Japan	宽永8年10月31日
	Ryuukyuu	崇祯4年10月31日
Proleptic Julian calendar	AD	1631-10-21
	Japan	宽永8年10月21日
	Ryuukyuu	崇祯4年10月21日
旧暦Kyuureki (Japan)	AD	1631年10月7日
	Japan (北朝)	宽永8年10月7日
	Japan (南朝)	宽永8年10月7日
旧暦Kyuureki (Ryuukyuu)	AD	1631年10月7日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	崇祯4年10月7日

Holidays

Japan	Normal day

Properties

Yearless date	--10-31
Day of week (number)	5
Day of week (English)	Friday
Day of week (日本語)	金曜日
Kanshi	丁未 (43₀, 44₁)
六曜 (Japan)	仏滅

Cast

Unix number	-10671602400.0003
Unix integer	-10671602401
HTML number	-10671602400000.3
HTML month number	-4059
Julian Day	2317073.58333333
Julian Day (integer of day)	2317074
Modified Julian Day	-82926.9166666702
Rata Die	595649.08333333

Serializations

Global date and time string (time zone offset preserved)	1631-10-31T01:59:59.999700546Z
Global date and time string (UTC)	1631-10-31T01:59:59.999700546Z
Normalized forced-UTC global date and time string	1631-10-31T01:59:59.999700546Z
HTTP date	`Fri, 31 Oct 1631 01:59:59 GMT`
RSS2 date-time	`Fri, 31 Oct 1631 01:59:59 +0000`
`document.lastModified` format	`10/31/1631 01:59:59`
Local date and time string	1631-10-31T01:59:59.999700546
Normalized local date and time string	1631-10-31T01:59:59.999700546
Date string	1631-10-31
Date string with optional time	1631-10-31T01:59:59.999700546Z
Year string	1631
Month string	1631-10
Yearless date string	--10-31
Week string	1631-W44
Time string	01:59:59.999700546
Shortest time string	01:59:59.999700546

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	1630-10-31T01:59:59.999700546Z	1632-10-30T01:59:59.999700546Z
30 days	1631-10-01T01:59:59.999700546Z	1631-11-30T01:59:59.999700546Z
7 days	1631-10-24T01:59:59.999700546Z	1631-11-07T01:59:59.999700546Z
Day	1631-10-30T01:59:59.999700546Z	1631-11-01T01:59:59.999700546Z
Hour	1631-10-31T00:59:59.999700546Z	1631-10-31T02:59:59.999700546Z
Minute	1631-10-31T01:58:59.999700546Z	1631-10-31T02:00:59.999700546Z