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Sep 21, 2015 17:30:51

2015

Year

09

Month

21

Day

17

Hour (24)

30

Minute

51

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	2015-09-21T17:30:51
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2015-W39-1T17:30:51
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2015-09-21T17:30:51Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Mon, 21 Sep 2015 17:30:51 +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, 21 Sep 2015 17:30:51 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1442856651
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2015-09-21 17:30:51
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	09-21-2015 17:30:51
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	21/09/2015 17:30:51
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	21.09.2015 17:30:51
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	21-09-2015 17:30:51
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2015/09/21 17:30:51
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	08 (Goat) (9'th month), 21, 2015
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	42268.729756944
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	130873302510000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Sep 21, 2015 17:30:51
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	464549451
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	56003ecb0000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2457287.22976

What day of week 21/09/2015?

21 September 2015 is Monday.

How long ago was 2015-09-21 17:30:51?

Current time is Sunday, February 9, 2025, 13:19:14

Years	9
Months	112
Weeks	489
Days	3428
Hours	82291
Minutes	4937508
Seconds	296250503

Pagination navigate

2015 Year

09 Month

21 Day

17 Hour (24)

30 Minute

51 Second

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