Data.

1687-10-23T01:00:59.999982834Z

Date and time

Components

Year	1687
Month	10
Day	23
Hour	1
Minute	0
Second (integer part)	59
Second (fraction part)	0.999982834
Time zone offset	+00:00

Day (1687-10-23)

Notes

Calendars

Proleptic Gregorian calendar	AD	1687-10-23
	Japan	贞享4年10月23日
	Ryuukyuu	康熙26年10月23日
Proleptic Julian calendar	AD	1687-10-13
	Japan	贞享4年10月13日
	Ryuukyuu	康熙26年10月13日
旧暦Kyuureki (Japan)	AD	1687年9月18日
	Japan (北朝)	贞享4年9月18日
	Japan (南朝)	贞享4年9月18日
旧暦Kyuureki (Ryuukyuu)	AD	1687年9月18日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	康熙26年9月18日

Holidays

Japan	Normal day

Properties

Yearless date	--10-23
Day of week (number)	4
Day of week (English)	Thursday
Day of week (日本語)	木曜日
Kanshi	癸巳 (29₀, 30₁)
六曜 (Japan)	友引

Cast

Unix number	-8905071540.00002
Unix integer	-8905071541
HTML number	-8905071540000.02
HTML month number	-3387
Julian Day	2337519.54236111
Julian Day (integer of day)	2337520
Modified Julian Day	-62480.9576388891
Rata Die	616095.042361111

Serializations

Global date and time string (time zone offset preserved)	1687-10-23T01:00:59.999982834Z
Global date and time string (UTC)	1687-10-23T01:00:59.999982834Z
Normalized forced-UTC global date and time string	1687-10-23T01:00:59.999982834Z
HTTP date	`Thu, 23 Oct 1687 01:00:59 GMT`
RSS2 date-time	`Thu, 23 Oct 1687 01:00:59 +0000`
`document.lastModified` format	`10/23/1687 01:00:59`
Local date and time string	1687-10-23T01:00:59.999982834
Normalized local date and time string	1687-10-23T01:00:59.999982834
Date string	1687-10-23
Date string with optional time	1687-10-23T01:00:59.999982834Z
Year string	1687
Month string	1687-10
Yearless date string	--10-23
Week string	1687-W43
Time string	01:00:59.999982834
Shortest time string	01:00:59.999982834

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	1686-10-23T01:00:59.999982834Z	1688-10-22T01:00:59.999982834Z
30 days	1687-09-23T01:00:59.999982834Z	1687-11-22T01:00:59.999982834Z
7 days	1687-10-16T01:00:59.999982834Z	1687-10-30T01:00:59.999982834Z
Day	1687-10-22T01:00:59.999982834Z	1687-10-24T01:00:59.999982834Z
Hour	1687-10-23T00:00:59.999982834Z	1687-10-23T02:00:59.999982834Z
Minute	1687-10-23T00:59:59.999982834Z	1687-10-23T01:01:59.999982834Z