Data.

1628-09-30T23:00:59.999599457Z

Date and time

Components

Year	1628
Month	9
Day	30
Hour	23
Minute	0
Second (integer part)	59
Second (fraction part)	0.999599457
Time zone offset	+00:00

Day (1628-09-30)

Notes

Calendars

Proleptic Gregorian calendar	AD	1628-09-30
	Japan	宽永5年9月30日
	Ryuukyuu	崇祯元年9月30日
Proleptic Julian calendar	AD	1628-09-20
	Japan	宽永5年9月20日
	Ryuukyuu	崇祯元年9月20日
旧暦Kyuureki (Japan)	AD	1628年9月3日
	Japan (北朝)	宽永5年9月3日
	Japan (南朝)	宽永5年9月3日
旧暦Kyuureki (Ryuukyuu)	AD	1628年9月4日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	崇祯元年9月4日

Holidays

Japan	Normal day

Properties

Yearless date	--09-30
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	辛酉 (57₀, 58₁)
六曜 (Japan)	大安

Cast

Unix number	-10768813140.0004
Unix integer	-10768813141
HTML number	-10768813140000.4
HTML month number	-4096
Julian Day	2315948.45902777
Julian Day (integer of day)	2315948
Modified Julian Day	-84052.0409722268
Rata Die	594523.959027773

Serializations

Global date and time string (time zone offset preserved)	1628-09-30T23:00:59.999599457Z
Global date and time string (UTC)	1628-09-30T23:00:59.999599457Z
Normalized forced-UTC global date and time string	1628-09-30T23:00:59.999599457Z
HTTP date	`Sat, 30 Sep 1628 23:00:59 GMT`
RSS2 date-time	`Sat, 30 Sep 1628 23:00:59 +0000`
`document.lastModified` format	`09/30/1628 23:00:59`
Local date and time string	1628-09-30T23:00:59.999599457
Normalized local date and time string	1628-09-30T23:00:59.999599457
Date string	1628-09-30
Date string with optional time	1628-09-30T23:00:59.999599457Z
Year string	1628
Month string	1628-09
Yearless date string	--09-30
Week string	1628-W39
Time string	23:00:59.999599457
Shortest time string	23:00:59.999599457

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	1627-10-01T23:00:59.999599457Z	1629-09-30T23:00:59.999599457Z
30 days	1628-08-31T23:00:59.999599457Z	1628-10-30T23:00:59.999599457Z
7 days	1628-09-23T23:00:59.999599457Z	1628-10-07T23:00:59.999599457Z
Day	1628-09-29T23:00:59.999599457Z	1628-10-01T23:00:59.999599457Z
Hour	1628-09-30T22:00:59.999599457Z	1628-10-01T00:00:59.999599457Z
Minute	1628-09-30T22:59:59.999599457Z	1628-09-30T23:01:59.999599457Z