Data.

1978-03-04T21:59:59.999986589Z

Date and time

Components

Year	1978
Month	3
Day	4
Hour	21
Minute	59
Second (integer part)	59
Second (fraction part)	0.999986589
Time zone offset	+00:00

Day (1978-03-04)

Notes

Calendars

Proleptic Gregorian calendar	AD	1978-03-04
	Japan	昭和53年3月4日
	Ryuukyuu	昭和53年3月4日
Proleptic Julian calendar	AD	1978-02-19
	Japan	昭和53年2月19日
	Ryuukyuu	昭和53年2月19日
旧暦Kyuureki (Japan)	AD	1978年正月26日
	Japan (北朝)	昭和53年正月26日
	Japan (南朝)	昭和53年正月26日
旧暦Kyuureki (Ryuukyuu)	AD	1978年正月26日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和53年正月26日

Holidays

Japan	Saturday

Properties

Yearless date	--03-04
Day of week (number)	6
Day of week (English)	Saturday
Day of week (日本語)	土曜日
Kanshi	乙丑 (1₀, 2₁)
六曜 (Japan)	友引

Cast

Unix number	257896799.999987
Unix integer	257896799
HTML number	257896799999.987
HTML month number	98
Julian Day	2443572.41666667
Julian Day (integer of day)	2443572
Modified Julian Day	43571.9166666665
Rata Die	722147.916666667

Serializations

Global date and time string (time zone offset preserved)	1978-03-04T21:59:59.999986589Z
Global date and time string (UTC)	1978-03-04T21:59:59.999986589Z
Normalized forced-UTC global date and time string	1978-03-04T21:59:59.999986589Z
HTTP date	`Sat, 04 Mar 1978 21:59:59 GMT`
RSS2 date-time	`Sat, 04 Mar 1978 21:59:59 +0000`
`document.lastModified` format	`03/04/1978 21:59:59`
Local date and time string	1978-03-04T21:59:59.999986589
Normalized local date and time string	1978-03-04T21:59:59.999986589
Date string	1978-03-04
Date string with optional time	1978-03-04T21:59:59.999986589Z
Year string	1978
Month string	1978-03
Yearless date string	--03-04
Week string	1978-W09
Time string	21:59:59.999986589
Shortest time string	21:59:59.999986589

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	1977-03-04T21:59:59.999986589Z	1979-03-04T21:59:59.999986589Z
30 days	1978-02-02T21:59:59.999986589Z	1978-04-03T21:59:59.999986589Z
7 days	1978-02-25T21:59:59.999986589Z	1978-03-11T21:59:59.999986589Z
Day	1978-03-03T21:59:59.999986589Z	1978-03-05T21:59:59.999986589Z
Hour	1978-03-04T20:59:59.999986589Z	1978-03-04T22:59:59.999986589Z
Minute	1978-03-04T21:58:59.999986589Z	1978-03-04T22:00:59.999986589Z