Data.

1964-02-28T23:59:59.999731988Z

Date and time

Components

Year	1964
Month	2
Day	28
Hour	23
Minute	59
Second (integer part)	59
Second (fraction part)	0.999731988
Time zone offset	+00:00

Day (1964-02-28)

Notes

Calendars

Proleptic Gregorian calendar	AD	1964-02-28
	Japan	昭和39年2月28日
	Ryuukyuu	西曆1964年2月28日
Proleptic Julian calendar	AD	1964-02-15
	Japan	昭和39年2月15日
	Ryuukyuu	西曆1964年2月15日
旧暦Kyuureki (Japan)	AD	1964年正月16日
	Japan (北朝)	昭和39年正月16日
	Japan (南朝)	昭和39年正月16日
旧暦Kyuureki (Ryuukyuu)	AD	1964年正月16日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	西曆1964年正月16日

Holidays

Japan	Normal day
Ryukyu	Normal day

Properties

Yearless date	--02-28
Day of week (number)	5
Day of week (English)	Friday
Day of week (日本語)	金曜日
Kanshi	丁未 (43₀, 44₁)
六曜 (Japan)	仏滅

Cast

Unix number	-184291200.000268
Unix integer	-184291201
HTML number	-184291200000.268
HTML month number	-71
Julian Day	2438454.5
Julian Day (integer of day)	2438454
Modified Julian Day	38453.9999999967
Rata Die	717029.999999997

Serializations

Global date and time string (time zone offset preserved)	1964-02-28T23:59:59.999731988Z
Global date and time string (UTC)	1964-02-28T23:59:59.999731988Z
Normalized forced-UTC global date and time string	1964-02-28T23:59:59.999731988Z
HTTP date	`Fri, 28 Feb 1964 23:59:59 GMT`
RSS2 date-time	`Fri, 28 Feb 1964 23:59:59 +0000`
`document.lastModified` format	`02/28/1964 23:59:59`
Local date and time string	1964-02-28T23:59:59.999731988
Normalized local date and time string	1964-02-28T23:59:59.999731988
Date string	1964-02-28
Date string with optional time	1964-02-28T23:59:59.999731988Z
Year string	1964
Month string	1964-02
Yearless date string	--02-28
Week string	1964-W09
Time string	23:59:59.999731988
Shortest time string	23:59:59.999731988

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	1963-02-28T23:59:59.999731988Z	1965-02-27T23:59:59.999731988Z
30 days	1964-01-29T23:59:59.999731988Z	1964-03-29T23:59:59.999731988Z
7 days	1964-02-21T23:59:59.999731988Z	1964-03-06T23:59:59.999731988Z
Day	1964-02-27T23:59:59.999731988Z	1964-02-29T23:59:59.999731988Z
Hour	1964-02-28T22:59:59.999731988Z	1964-02-29T00:59:59.999731988Z
Minute	1964-02-28T23:58:59.999731988Z	1964-02-29T00:00:59.999731988Z