Data.

1646-09-17T22:59:59.999731064Z

Date and time

Components

Year	1646
Month	9
Day	17
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999731064
Time zone offset	+00:00

Day (1646-09-17)

Notes

Calendars

Proleptic Gregorian calendar	AD	1646-09-17
	Japan	正保3年9月17日
	Ryuukyuu	隆武2年9月17日
Proleptic Julian calendar	AD	1646-09-07
	Japan	正保3年9月7日
	Ryuukyuu	隆武2年9月7日
旧暦Kyuureki (Japan)	AD	1646年8月8日
	Japan (北朝)	正保3年8月8日
	Japan (南朝)	正保3年8月8日
旧暦Kyuureki (Ryuukyuu)	AD	1646年8月9日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	隆武2年8月9日

Holidays

Japan	Normal day

Properties

Yearless date	--09-17
Day of week (number)	1
Day of week (English)	Monday
Day of week (日本語)	月曜日
Kanshi	壬午 (18₀, 19₁)
六曜 (Japan)	先負

Cast

Unix number	-10201942800.0003
Unix integer	-10201942801
HTML number	-10201942800000.3
HTML month number	-3880
Julian Day	2322509.45833333
Julian Day (integer of day)	2322509
Modified Julian Day	-77491.0416666698
Rata Die	601084.95833333

Serializations

Global date and time string (time zone offset preserved)	1646-09-17T22:59:59.999731064Z
Global date and time string (UTC)	1646-09-17T22:59:59.999731064Z
Normalized forced-UTC global date and time string	1646-09-17T22:59:59.999731064Z
HTTP date	`Mon, 17 Sep 1646 22:59:59 GMT`
RSS2 date-time	`Mon, 17 Sep 1646 22:59:59 +0000`
`document.lastModified` format	`09/17/1646 22:59:59`
Local date and time string	1646-09-17T22:59:59.999731064
Normalized local date and time string	1646-09-17T22:59:59.999731064
Date string	1646-09-17
Date string with optional time	1646-09-17T22:59:59.999731064Z
Year string	1646
Month string	1646-09
Yearless date string	--09-17
Week string	1646-W38
Time string	22:59:59.999731064
Shortest time string	22:59:59.999731064

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	1645-09-17T22:59:59.999731064Z	1647-09-17T22:59:59.999731064Z
30 days	1646-08-18T22:59:59.999731064Z	1646-10-17T22:59:59.999731064Z
7 days	1646-09-10T22:59:59.999731064Z	1646-09-24T22:59:59.999731064Z
Day	1646-09-16T22:59:59.999731064Z	1646-09-18T22:59:59.999731064Z
Hour	1646-09-17T21:59:59.999731064Z	1646-09-17T23:59:59.999731064Z
Minute	1646-09-17T22:58:59.999731064Z	1646-09-17T23:00:59.999731064Z