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Dec 19, 2011 01:21:54

2011

Year

12

Month

19

Day

01

Hour (24)

21

Minute

54

Second

How long ago was

Format

ISO 8601 International standard for representing date and time. Widely used in web services, programming, and data exchange. YYYY-MM-DD'T'HH:MM:SS±hh:mm	2011-12-19T01:21:54
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2011-W51-1T01:21:54
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2011-12-19T01:21:54Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Mon, 19 Dec 2011 01:21:54 +0000
RFC 7231 The format aligns with RFC 822, but RFC 7231 specifies and standardizes its use in HTTP Day, DD Mon YYYY HH:MM:SS GMT	Mon, 19 Dec 2011 01:21:54 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1324257714
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2011-12-19 01:21:54
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	12-19-2011 01:21:54
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	19/12/2011 01:21:54
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	19.12.2011 01:21:54
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	19-12-2011 01:21:54
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2011/12/19 01:21:54
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	04 (Rabbit) (12'th month), 19, 2011
Excel date/time Used internally by Excel to enable easy calculations with dates and times Dates and times in Excel are stored as floating-point numbers	40896.056875
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	129687313140000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Dec 19, 2011 01:21:54
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	345950514
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	4eee91b20000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2455914.55688

What day of week 19/12/2011?

19 December 2011 is Monday.

How long ago was 2011-12-19 01:21:54?

Current time is Saturday, February 8, 2025, 05:45:26

Years	13
Months	157
Weeks	685
Days	4800
Hours	115204
Minutes	6912263
Seconds	414735812

Pagination navigate

2011 Year

12 Month

19 Day

01 Hour (24)

21 Minute

54 Second

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