Data.

1577-09-21T22:00:59.999900818Z

Date and time

Components

Year	1577
Month	9
Day	21
Hour	22
Minute	0
Second (integer part)	59
Second (fraction part)	0.999900818
Time zone offset	+00:00

Day (1577-09-21)

Notes

Calendars

Proleptic Gregorian calendar	AD	1577-09-21
	Japan	天正5年9月21日
	Ryuukyuu	万暦5年9月21日
Proleptic Julian calendar	AD	1577-09-11
	Japan	天正5年9月11日
	Ryuukyuu	万暦5年9月11日
旧暦Kyuureki (Japan)	AD	1577年閏7月29日
	Japan (北朝)	天正5年閏7月29日
	Japan (南朝)	天正5年閏7月29日
旧暦Kyuureki (Ryuukyuu)	AD	1577年8月29日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	万暦5年8月29日

Holidays

Japan	Normal day

Properties

Yearless date	--09-21
Day of week (number)	3
Day of week (English)	Wednesday
Day of week (日本語)	水曜日
Kanshi	甲申 (20₀, 21₁)
六曜 (Japan)	大安

Cast

Unix number	-12379053540.0001
Unix integer	-12379053541
HTML number	-12379053540000.1
HTML month number	-4708
Julian Day	2297311.41736111
Julian Day (integer of day)	2297311
Modified Julian Day	-102689.08263889
Rata Die	575886.91736111

Serializations

Global date and time string (time zone offset preserved)	1577-09-21T22:00:59.999900818Z
Global date and time string (UTC)	1577-09-21T22:00:59.999900818Z
Normalized forced-UTC global date and time string	1577-09-21T22:00:59.999900818Z
HTTP date	`Wed, 21 Sep 1577 22:00:59 GMT`
RSS2 date-time	`Wed, 21 Sep 1577 22:00:59 +0000`
`document.lastModified` format	`09/21/1577 22:00:59`
Local date and time string	1577-09-21T22:00:59.999900818
Normalized local date and time string	1577-09-21T22:00:59.999900818
Date string	1577-09-21
Date string with optional time	1577-09-21T22:00:59.999900818Z
Year string	1577
Month string	1577-09
Yearless date string	--09-21
Week string	1577-W38
Time string	22:00:59.999900818
Shortest time string	22:00:59.999900818

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	1576-09-21T22:00:59.999900818Z	1578-09-21T22:00:59.999900818Z
30 days	1577-08-22T22:00:59.999900818Z	1577-10-21T22:00:59.999900818Z
7 days	1577-09-14T22:00:59.999900818Z	1577-09-28T22:00:59.999900818Z
Day	1577-09-20T22:00:59.999900818Z	1577-09-22T22:00:59.999900818Z
Hour	1577-09-21T21:00:59.999900818Z	1577-09-21T23:00:59.999900818Z
Minute	1577-09-21T21:59:59.999900818Z	1577-09-21T22:01:59.999900818Z