Data.

1979-08-17T00:59:59.999986589Z

Date and time

Components

Year	1979
Month	8
Day	17
Hour	0
Minute	59
Second (integer part)	59
Second (fraction part)	0.999986589
Time zone offset	+00:00

Day (1979-08-17)

Notes

Calendars

Proleptic Gregorian calendar	AD	1979-08-17
	Japan	昭和54年8月17日
	Ryuukyuu	昭和54年8月17日
Proleptic Julian calendar	AD	1979-08-04
	Japan	昭和54年8月4日
	Ryuukyuu	昭和54年8月4日
旧暦Kyuureki (Japan)	AD	1979年閏6月25日
	Japan (北朝)	昭和54年閏6月25日
	Japan (南朝)	昭和54年閏6月25日
旧暦Kyuureki (Ryuukyuu)	AD	1979年閏6月25日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和54年閏6月25日

Holidays

Japan	Normal day

Properties

Yearless date	--08-17
Day of week (number)	5
Day of week (English)	Friday
Day of week (日本語)	金曜日
Kanshi	丙辰 (52₀, 53₁)
六曜 (Japan)	赤口

Cast

Unix number	303699599.999987
Unix integer	303699599
HTML number	303699599999.987
HTML month number	115
Julian Day	2444102.54166667
Julian Day (integer of day)	2444103
Modified Julian Day	44102.0416666665
Rata Die	722678.041666667

Serializations

Global date and time string (time zone offset preserved)	1979-08-17T00:59:59.999986589Z
Global date and time string (UTC)	1979-08-17T00:59:59.999986589Z
Normalized forced-UTC global date and time string	1979-08-17T00:59:59.999986589Z
HTTP date	`Fri, 17 Aug 1979 00:59:59 GMT`
RSS2 date-time	`Fri, 17 Aug 1979 00:59:59 +0000`
`document.lastModified` format	`08/17/1979 00:59:59`
Local date and time string	1979-08-17T00:59:59.999986589
Normalized local date and time string	1979-08-17T00:59:59.999986589
Date string	1979-08-17
Date string with optional time	1979-08-17T00:59:59.999986589Z
Year string	1979
Month string	1979-08
Yearless date string	--08-17
Week string	1979-W33
Time string	00:59:59.999986589
Shortest time string	00:59:59.999986589

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	1978-08-17T00:59:59.999986589Z	1980-08-16T00:59:59.999986589Z
30 days	1979-07-18T00:59:59.999986589Z	1979-09-16T00:59:59.999986589Z
7 days	1979-08-10T00:59:59.999986589Z	1979-08-24T00:59:59.999986589Z
Day	1979-08-16T00:59:59.999986589Z	1979-08-18T00:59:59.999986589Z
Hour	1979-08-16T23:59:59.999986589Z	1979-08-17T01:59:59.999986589Z
Minute	1979-08-17T00:58:59.999986589Z	1979-08-17T01:00:59.999986589Z