Data.

1287-09-30T22:59:59.999732971Z

Date and time

Components

Year	1287
Month	9
Day	30
Hour	22
Minute	59
Second (integer part)	59
Second (fraction part)	0.999732971
Time zone offset	+00:00

Day (1287-09-30)

Notes

Calendars

Proleptic Gregorian calendar	AD	1287-09-30
	Japan	弘安10年9月30日
	Ryuukyuu	至元24年9月30日
Proleptic Julian calendar	AD	1287-09-23
	Japan	弘安10年9月23日
	Ryuukyuu	至元24年9月23日
旧暦Kyuureki (Japan)	AD	1287年8月15日
	Japan (北朝)	弘安10年8月15日
	Japan (南朝)	弘安10年8月15日
旧暦Kyuureki (Ryuukyuu)	AD	1287年8月15日
旧暦Kyuureki (Ryuukyuu)	Ryuukyuu	至元24年8月15日

Holidays

Japan	Normal day

Properties

Yearless date	--09-30
Day of week (number)	2
Day of week (English)	Tuesday
Day of week (日本語)	火曜日
Kanshi	癸酉 (9₀, 10₁)
六曜 (Japan)	仏滅

Cast

Unix number	-21529760400.0003
Unix integer	-21529760401
HTML number	-21529760400000.3
HTML month number	-8188
Julian Day	2191400.45833333
Julian Day (integer of day)	2191400
Modified Julian Day	-208600.04166667
Rata Die	469975.95833333

Serializations

Global date and time string (time zone offset preserved)	1287-09-30T22:59:59.999732971Z
Global date and time string (UTC)	1287-09-30T22:59:59.999732971Z
Normalized forced-UTC global date and time string	1287-09-30T22:59:59.999732971Z
HTTP date	`Tue, 30 Sep 1287 22:59:59 GMT`
RSS2 date-time	`Tue, 30 Sep 1287 22:59:59 +0000`
`document.lastModified` format	`09/30/1287 22:59:59`
Local date and time string	1287-09-30T22:59:59.999732971
Normalized local date and time string	1287-09-30T22:59:59.999732971
Date string	1287-09-30
Date string with optional time	1287-09-30T22:59:59.999732971Z
Year string	1287
Month string	1287-09
Yearless date string	--09-30
Week string	1287-W40
Time string	22:59:59.999732971
Shortest time string	22:59:59.999732971

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

	Previous	Next
365 days	1286-09-30T22:59:59.999732971Z	1288-09-29T22:59:59.999732971Z
30 days	1287-08-31T22:59:59.999732971Z	1287-10-30T22:59:59.999732971Z
7 days	1287-09-23T22:59:59.999732971Z	1287-10-07T22:59:59.999732971Z
Day	1287-09-29T22:59:59.999732971Z	1287-10-01T22:59:59.999732971Z
Hour	1287-09-30T21:59:59.999732971Z	1287-09-30T23:59:59.999732971Z
Minute	1287-09-30T22:58:59.999732971Z	1287-09-30T23:00:59.999732971Z