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Sep 21, 2011 15:05:42

2011

Year

09

Month


21

Day

15

Hour (24)


05

Minute

42

Second

Format

ISO 8601 prompt 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
2011-09-21T15:05:42
ISO 8601 (Week) prompt Used in planning and reporting
YYYY-Www-D
2011-W38-3T15:05:42
RFC 3339 prompt Used in Internet protocols
YYYY-MM-DD'T'HH:mm:ss'Z'
2011-09-21T15:05:42Z
RFC 822 / RFC 2822 prompt Used in email protocols
ddd, DD MMM YYYY HH:mm:ss 'GMT'
Wed, 21 Sep 2011 15:05:42 +0000
RFC 7231 prompt 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 Sep 2011 15:05:42 +0000
UNIX Time (Epoch Time) prompt Widely used in programming
Seconds since January 1, 1970
1316617542
ISO 9075 prompt A standard related to SQL query language
YYYY-MM-DD HH:MM:SS
2011-09-21 15:05:42
USA prompt Date format commonly used in the USA
MM/DD/YYYY HH:MM:SS
09-21-2011 15:05:42
British/French, EU prompt Date format commonly used in Europe
DD/MM/YY HH:MM:SS
21/09/2011 15:05:42
German prompt Date format commonly used in Germany
DD.MM.YYYY HH:MM:SS
21.09.2011 15:05:42
Italian prompt Date format commonly used in Italy
DD-MM-YYYY HH:MM:SS
21-09-2011 15:05:42
Japan prompt Date format commonly used in Japan
YYYY/MM/DD HH:MM:SS
2011/09/21 15:05:42
Chinese Date prompt Format used to represent dates in the Chinese lunisolar calendar
SS (Animal) (M'th month), D, YYYY
04 (Rabbit) (9'th month), 21, 2011
Excel date/time prompt Used internally by Excel to enable easy calculations with dates and times
Dates and times in Excel are stored as floating-point numbers
40807.628958333
Microsoft Timestamp / FileTime prompt Used in Windows system APIs for file and directory timestamp handling
100-nanoseconds since Jan 1, 1601
129610911420000000
Text Date prompt Textual representation of a date
MMM DD, YYYY HH:MM:SS
Sep 21, 2011 15:05:42
Mac Timestamp prompt Date and time format used in macOS
Seconds since January 1, 2001
338310342
Mongo ObjectID prompt Unique identifier format used in MongoDB
12-byte hexadecimal number
4e79fd460000000000000000
Julian Day Number prompt Date format used in astronomy
Number of days since January 1, 4713 BC
2455826.12896

What day of week 21/09/2011?

21 September 2011 is Wednesday.

How long ago was 2011-09-21 15:05:42?

Current time is Monday, December 30, 2024, 18:24:02

Years 13
Months 159
Weeks 692
Days 4849
Hours 116379
Minutes 6982758
Seconds 418965500

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