Data.

1964-09-23T22:57:59.999789Z

Date and time

Components

Year	1964
Month	9
Day	23
Hour	22
Minute	57
Second (integer part)	59
Second (fraction part)	0.999789
Time zone offset	+00:00

Day (1964-09-23)

Notes

Calendars

Proleptic Gregorian calendar	AD	1964-09-23
	Japan	昭和39年9月23日
	Ryuukyuu	西曆1964年9月23日
Proleptic Julian calendar	AD	1964-09-10
	Japan	昭和39年9月10日
	Ryuukyuu	西曆1964年9月10日
旧暦Kyuureki (Japan)	AD	1964年8月18日
	Japan (北朝)	昭和39年8月18日
	Japan (南朝)	昭和39年8月18日
旧暦Kyuureki (Ryuukyuu)	AD	1964年8月18日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	西曆1964年8月18日

Holidays

Japan	🇯🇵 秋分の日
Ryukyu	秋分の日

Properties

Yearless date	--09-23
Day of week (number)	3
Day of week (English)	Wednesday
Day of week (日本語)	水曜日
Kanshi	乙亥 (11₀, 12₁)
六曜 (Japan)	先勝

Cast

Unix number	-166323720.000211
Unix integer	-166323721
HTML number	-166323720000.211
HTML month number	-64
Julian Day	2438662.45694444
Julian Day (integer of day)	2438662
Modified Julian Day	38661.9569444419
Rata Die	717237.956944442

Serializations

Global date and time string (time zone offset preserved)	1964-09-23T22:57:59.999789Z
Global date and time string (UTC)	1964-09-23T22:57:59.999789Z
Normalized forced-UTC global date and time string	1964-09-23T22:57:59.999789Z
HTTP date	`Wed, 23 Sep 1964 22:57:59 GMT`
RSS2 date-time	`Wed, 23 Sep 1964 22:57:59 +0000`
`document.lastModified` format	`09/23/1964 22:57:59`
Local date and time string	1964-09-23T22:57:59.999789
Normalized local date and time string	1964-09-23T22:57:59.999789
Date string	1964-09-23
Date string with optional time	1964-09-23T22:57:59.999789Z
Year string	1964
Month string	1964-09
Yearless date string	--09-23
Week string	1964-W39
Time string	22:57:59.999789
Shortest time string	22:57:59.999789

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	1963-09-24T22:57:59.999789Z	1965-09-23T22:57:59.999789Z
30 days	1964-08-24T22:57:59.999789Z	1964-10-23T22:57:59.999789Z
7 days	1964-09-16T22:57:59.999789Z	1964-09-30T22:57:59.999789Z
Day	1964-09-22T22:57:59.999789Z	1964-09-24T22:57:59.999789Z
Hour	1964-09-23T21:57:59.999789Z	1964-09-23T23:57:59.999789Z
Minute	1964-09-23T22:56:59.999789Z	1964-09-23T22:58:59.999789Z