Data.

1974-09-20T23:58:59.000009Z

Date and time

Components

Year	1974
Month	9
Day	20
Hour	23
Minute	58
Second (integer part)	59
Second (fraction part)	0.000009
Time zone offset	+00:00

Day (1974-09-20)

Notes

Calendars

Proleptic Gregorian calendar	AD	1974-09-20
	Japan	昭和49年9月20日
	Ryuukyuu	昭和49年9月20日
Proleptic Julian calendar	AD	1974-09-07
	Japan	昭和49年9月7日
	Ryuukyuu	昭和49年9月7日
旧暦Kyuureki (Japan)	AD	1974年8月5日
	Japan (北朝)	昭和49年8月5日
	Japan (南朝)	昭和49年8月5日
旧暦Kyuureki (Ryuukyuu)	AD	1974年8月5日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	昭和49年8月5日

Holidays

Japan	Normal day

Properties

Yearless date	--09-20
Day of week (number)	5
Day of week (English)	Friday
Day of week (日本語)	金曜日
Kanshi	甲子 (0₀, 1₁)
六曜 (Japan)	赤口

Cast

Unix number	148953539.000009
Unix integer	148953539
HTML number	148953539000.009
HTML month number	56
Julian Day	2442311.49929398
Julian Day (integer of day)	2442311
Modified Julian Day	42310.9992939816
Rata Die	720886.999293982

Serializations

Global date and time string (time zone offset preserved)	1974-09-20T23:58:59.000009Z
Global date and time string (UTC)	1974-09-20T23:58:59.000009Z
Normalized forced-UTC global date and time string	1974-09-20T23:58:59.000009Z
HTTP date	`Fri, 20 Sep 1974 23:58:59 GMT`
RSS2 date-time	`Fri, 20 Sep 1974 23:58:59 +0000`
`document.lastModified` format	`09/20/1974 23:58:59`
Local date and time string	1974-09-20T23:58:59.000009
Normalized local date and time string	1974-09-20T23:58:59.000009
Date string	1974-09-20
Date string with optional time	1974-09-20T23:58:59.000009Z
Year string	1974
Month string	1974-09
Yearless date string	--09-20
Week string	1974-W38
Time string	23:58:59.000009
Shortest time string	23:58:59.000009

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	1973-09-20T23:58:59.000009Z	1975-09-20T23:58:59.000009Z
30 days	1974-08-21T23:58:59.000009Z	1974-10-20T23:58:59.000009Z
7 days	1974-09-13T23:58:59.000009Z	1974-09-27T23:58:59.000009Z
Day	1974-09-19T23:58:59.000009Z	1974-09-21T23:58:59.000009Z
Hour	1974-09-20T22:58:59.000009Z	1974-09-21T00:58:59.000009Z
Minute	1974-09-20T23:57:59.000009Z	1974-09-20T23:59:59.000009Z