Data.

1977-10-20T22:59:59.999731779Z

Date and time

Components

Year	1977
Month	10
Day	20
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999731779
Time zone offset	+00:00

Day (1977-10-20)

Notes

Calendars

Proleptic Gregorian calendar	AD	1977-10-20
	Japan	昭和52年10月20日
	Ryuukyuu	昭和52年10月20日
Proleptic Julian calendar	AD	1977-10-07
	Japan	昭和52年10月7日
	Ryuukyuu	昭和52年10月7日
旧暦Kyuureki (Japan)	AD	1977年9月8日
	Japan (北朝)	昭和52年9月8日
	Japan (南朝)	昭和52年9月8日
旧暦Kyuureki (Ryuukyuu)	AD	1977年9月8日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和52年9月8日

Holidays

Japan	Normal day

Properties

Yearless date	--10-20
Day of week (number)	4
Day of week (English)	Thursday
Day of week (日本語)	木曜日
Kanshi	庚戌 (46₀, 47₁)
六曜 (Japan)	仏滅

Cast

Unix number	246236399.999732
Unix integer	246236399
HTML number	246236399999.732
HTML month number	93
Julian Day	2443437.45833333
Julian Day (integer of day)	2443437
Modified Julian Day	43436.9583333302
Rata Die	722012.95833333

Serializations

Global date and time string (time zone offset preserved)	1977-10-20T22:59:59.999731779Z
Global date and time string (UTC)	1977-10-20T22:59:59.999731779Z
Normalized forced-UTC global date and time string	1977-10-20T22:59:59.999731779Z
HTTP date	`Thu, 20 Oct 1977 22:59:59 GMT`
RSS2 date-time	`Thu, 20 Oct 1977 22:59:59 +0000`
`document.lastModified` format	`10/20/1977 22:59:59`
Local date and time string	1977-10-20T22:59:59.999731779
Normalized local date and time string	1977-10-20T22:59:59.999731779
Date string	1977-10-20
Date string with optional time	1977-10-20T22:59:59.999731779Z
Year string	1977
Month string	1977-10
Yearless date string	--10-20
Week string	1977-W42
Time string	22:59:59.999731779
Shortest time string	22:59:59.999731779

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	1976-10-20T22:59:59.999731779Z	1978-10-20T22:59:59.999731779Z
30 days	1977-09-20T22:59:59.999731779Z	1977-11-19T22:59:59.999731779Z
7 days	1977-10-13T22:59:59.999731779Z	1977-10-27T22:59:59.999731779Z
Day	1977-10-19T22:59:59.999731779Z	1977-10-21T22:59:59.999731779Z
Hour	1977-10-20T21:59:59.999731779Z	1977-10-20T23:59:59.999731779Z
Minute	1977-10-20T22:58:59.999731779Z	1977-10-20T23:00:59.999731779Z