Data.

1977-09-04T22:57:59.999980003Z

Date and time

Components

Year	1977
Month	9
Day	4
Hour	22
Minute	57
Second (integer part)	59
Second (fraction part)	0.999980003
Time zone offset	+00:00

Day (1977-09-04)

Notes

Calendars

Proleptic Gregorian calendar	AD	1977-09-04
	Japan	昭和52年9月4日
	Ryuukyuu	昭和52年9月4日
Proleptic Julian calendar	AD	1977-08-22
	Japan	昭和52年8月22日
	Ryuukyuu	昭和52年8月22日
旧暦Kyuureki (Japan)	AD	1977年7月21日
	Japan (北朝)	昭和52年7月21日
	Japan (南朝)	昭和52年7月21日
旧暦Kyuureki (Ryuukyuu)	AD	1977年7月21日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和52年7月21日

Holidays

Japan	Sunday

Properties

Yearless date	--09-04
Day of week (number)	0
Day of week (English)	Sunday
Day of week (日本語)	日曜日
Kanshi	甲子 (0₀, 1₁)
六曜 (Japan)	先負

Cast

Unix number	242261879.99998
Unix integer	242261879
HTML number	242261879999.98
HTML month number	92
Julian Day	2443391.45694444
Julian Day (integer of day)	2443391
Modified Julian Day	43390.9569444442
Rata Die	721966.956944444

Serializations

Global date and time string (time zone offset preserved)	1977-09-04T22:57:59.999980003Z
Global date and time string (UTC)	1977-09-04T22:57:59.999980003Z
Normalized forced-UTC global date and time string	1977-09-04T22:57:59.999980003Z
HTTP date	`Sun, 04 Sep 1977 22:57:59 GMT`
RSS2 date-time	`Sun, 04 Sep 1977 22:57:59 +0000`
`document.lastModified` format	`09/04/1977 22:57:59`
Local date and time string	1977-09-04T22:57:59.999980003
Normalized local date and time string	1977-09-04T22:57:59.999980003
Date string	1977-09-04
Date string with optional time	1977-09-04T22:57:59.999980003Z
Year string	1977
Month string	1977-09
Yearless date string	--09-04
Week string	1977-W35
Time string	22:57:59.999980003
Shortest time string	22:57:59.999980003

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	1976-09-04T22:57:59.999980003Z	1978-09-04T22:57:59.999979973Z
30 days	1977-08-05T22:57:59.999980003Z	1977-10-04T22:57:59.999980003Z
7 days	1977-08-28T22:57:59.999980003Z	1977-09-11T22:57:59.999980003Z
Day	1977-09-03T22:57:59.999980003Z	1977-09-05T22:57:59.999980003Z
Hour	1977-09-04T21:57:59.999980003Z	1977-09-04T23:57:59.999980003Z
Minute	1977-09-04T22:56:59.999980003Z	1977-09-04T22:58:59.999980003Z