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Dec 21, 2011 08:29:31

2011

Year

12

Month

21

Day

08

Hour (24)

29

Minute

31

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	2011-12-21T08:29:31
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2011-W51-3T08:29:31
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2011-12-21T08:29:31Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Wed, 21 Dec 2011 08:29:31 +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	Wed, 21 Dec 2011 08:29:31 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1324456171
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2011-12-21 08:29:31
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	12-21-2011 08:29:31
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	21/12/2011 08:29:31
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	21.12.2011 08:29:31
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	21-12-2011 08:29:31
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2011/12/21 08:29:31
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	04 (Rabbit) (12'th month), 21, 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	40898.353831019
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	129689297710000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Dec 21, 2011 08:29:31
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	346148971
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	4ef198eb0000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2455916.85383

What day of week 21/12/2011?

21 December 2011 is Wednesday.

How long ago was 2011-12-21 08:29:31?

Current time is Wednesday, February 26, 2025, 21:44:09

Years	13
Months	158
Weeks	688
Days	4816
Hours	115597
Minutes	6935834
Seconds	416150078

Pagination navigate

2011 Year

12 Month

21 Day

08 Hour (24)

29 Minute

31 Second

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