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Dec 31, 2015 03:21:31

2015

Year

12

Month


31

Day

03

Hour (24)


21

Minute

31

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
2015-12-31T03:21:31
ISO 8601 (Week) prompt Used in planning and reporting
YYYY-Www-D
2015-W53-4T03:21:31
RFC 3339 prompt Used in Internet protocols
YYYY-MM-DD'T'HH:mm:ss'Z'
2015-12-31T03:21:31Z
RFC 822 / RFC 2822 prompt Used in email protocols
ddd, DD MMM YYYY HH:mm:ss 'GMT'
Thu, 31 Dec 2015 03:21:31 +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
Thu, 31 Dec 2015 03:21:31 +0000
UNIX Time (Epoch Time) prompt Widely used in programming
Seconds since January 1, 1970
1451532091
ISO 9075 prompt A standard related to SQL query language
YYYY-MM-DD HH:MM:SS
2015-12-31 03:21:31
USA prompt Date format commonly used in the USA
MM/DD/YYYY HH:MM:SS
12-31-2015 03:21:31
British/French, EU prompt Date format commonly used in Europe
DD/MM/YY HH:MM:SS
31/12/2015 03:21:31
German prompt Date format commonly used in Germany
DD.MM.YYYY HH:MM:SS
31.12.2015 03:21:31
Italian prompt Date format commonly used in Italy
DD-MM-YYYY HH:MM:SS
31-12-2015 03:21:31
Japan prompt Date format commonly used in Japan
YYYY/MM/DD HH:MM:SS
2015/12/31 03:21:31
Chinese Date prompt Format used to represent dates in the Chinese lunisolar calendar
SS (Animal) (M'th month), D, YYYY
08 (Goat) (12'th month), 31, 2015
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
42369.13994213
Microsoft Timestamp / FileTime prompt Used in Windows system APIs for file and directory timestamp handling
100-nanoseconds since Jan 1, 1601
130960056910000000
Text Date prompt Textual representation of a date
MMM DD, YYYY HH:MM:SS
Dec 31, 2015 03:21:31
Mac Timestamp prompt Date and time format used in macOS
Seconds since January 1, 2001
473224891
Mongo ObjectID prompt Unique identifier format used in MongoDB
12-byte hexadecimal number
56849f3b0000000000000000
Julian Day Number prompt Date format used in astronomy
Number of days since January 1, 4713 BC
2457387.63994

What day of week 31/12/2015?

31 December 2015 is Thursday.

How long ago was 2015-12-31 03:21:31?

Current time is Saturday, February 15, 2025, 21:05:59

Years 9
Months 109
Weeks 476
Days 3334
Hours 80033
Minutes 4802024
Seconds 288121468

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