Data.

1978-05-10T21:59:59.999987006Z

Date and time

Components

Year	1978
Month	5
Day	10
Hour	21
Minute	59
Second (integer part)	59
Second (fraction part)	0.999987006
Time zone offset	+00:00

Day (1978-05-10)

Notes

Calendars

Proleptic Gregorian calendar	AD	1978-05-10
	Japan	昭和53年5月10日
	Ryuukyuu	昭和53年5月10日
Proleptic Julian calendar	AD	1978-04-27
	Japan	昭和53年4月27日
	Ryuukyuu	昭和53年4月27日
旧暦Kyuureki (Japan)	AD	1978年4月4日
	Japan (北朝)	昭和53年4月4日
	Japan (南朝)	昭和53年4月4日
旧暦Kyuureki (Ryuukyuu)	AD	1978年4月4日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和53年4月4日

Holidays

Japan	Normal day

Properties

Yearless date	--05-10
Day of week (number)	3
Day of week (English)	Wednesday
Day of week (日本語)	水曜日
Kanshi	壬申 (8₀, 9₁)
六曜 (Japan)	先勝

Cast

Unix number	263685599.999987
Unix integer	263685599
HTML number	263685599999.987
HTML month number	100
Julian Day	2443639.41666667
Julian Day (integer of day)	2443639
Modified Julian Day	43638.9166666665
Rata Die	722214.916666667

Serializations

Global date and time string (time zone offset preserved)	1978-05-10T21:59:59.999987006Z
Global date and time string (UTC)	1978-05-10T21:59:59.999987006Z
Normalized forced-UTC global date and time string	1978-05-10T21:59:59.999987006Z
HTTP date	`Wed, 10 May 1978 21:59:59 GMT`
RSS2 date-time	`Wed, 10 May 1978 21:59:59 +0000`
`document.lastModified` format	`05/10/1978 21:59:59`
Local date and time string	1978-05-10T21:59:59.999987006
Normalized local date and time string	1978-05-10T21:59:59.999987006
Date string	1978-05-10
Date string with optional time	1978-05-10T21:59:59.999987006Z
Year string	1978
Month string	1978-05
Yearless date string	--05-10
Week string	1978-W19
Time string	21:59:59.999987006
Shortest time string	21:59:59.999987006

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	1977-05-10T21:59:59.999987006Z	1979-05-10T21:59:59.999987006Z
30 days	1978-04-10T21:59:59.999987006Z	1978-06-09T21:59:59.999987006Z
7 days	1978-05-03T21:59:59.999987006Z	1978-05-17T21:59:59.999987006Z
Day	1978-05-09T21:59:59.999987006Z	1978-05-11T21:59:59.999987006Z
Hour	1978-05-10T20:59:59.999987006Z	1978-05-10T22:59:59.999987006Z
Minute	1978-05-10T21:58:59.999987006Z	1978-05-10T22:00:59.999987006Z