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Dec 21, 2015 18:04:57

2015

Year

12

Month

21

Day

18

Hour (24)

04

Minute

57

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	2015-12-21T18:04:57
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2015-W52-1T18:04:57
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2015-12-21T18:04:57Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Mon, 21 Dec 2015 18:04:57 +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 Dec 2015 18:04:57 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1450721097
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2015-12-21 18:04:57
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	12-21-2015 18:04:57
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	21/12/2015 18:04:57
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	21.12.2015 18:04:57
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	21-12-2015 18:04:57
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2015/12/21 18:04:57
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	08 (Goat) (12'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	42359.7534375
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	130951946970000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Dec 21, 2015 18:04:57
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	472413897
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	56783f490000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2457378.25344

What day of week 21/12/2015?

21 December 2015 is Monday.

How long ago was 2015-12-21 18:04:57?

Current time is Thursday, February 6, 2025, 15:20:22

Years	9
Months	109
Weeks	476
Days	3334
Hours	80037
Minutes	4802235
Seconds	288134125

Pagination navigate

2015 Year

12 Month

21 Day

18 Hour (24)

04 Minute

57 Second

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