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Dec 31, 1972 18:21:31

1972

Year

12

Month


31

Day

18

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
1972-12-31T18:21:31
ISO 8601 (Week) prompt Used in planning and reporting
YYYY-Www-D
1972-W52-7T18:21:31
RFC 3339 prompt Used in Internet protocols
YYYY-MM-DD'T'HH:mm:ss'Z'
1972-12-31T18:21:31Z
RFC 822 / RFC 2822 prompt Used in email protocols
ddd, DD MMM YYYY HH:mm:ss 'GMT'
Sun, 31 Dec 1972 18:21:31 +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
Sun, 31 Dec 1972 18:21:31 +0000
UNIX Time (Epoch Time) prompt Widely used in programming
Seconds since January 1, 1970
94674091
ISO 9075 prompt A standard related to SQL query language
YYYY-MM-DD HH:MM:SS
1972-12-31 18:21:31
USA prompt Date format commonly used in the USA
MM/DD/YYYY HH:MM:SS
12-31-1972 18:21:31
British/French, EU prompt Date format commonly used in Europe
DD/MM/YY HH:MM:SS
31/12/1972 18:21:31
German prompt Date format commonly used in Germany
DD.MM.YYYY HH:MM:SS
31.12.1972 18:21:31
Italian prompt Date format commonly used in Italy
DD-MM-YYYY HH:MM:SS
31-12-1972 18:21:31
Japan prompt Date format commonly used in Japan
YYYY/MM/DD HH:MM:SS
1972/12/31 18:21:31
Chinese Date prompt Format used to represent dates in the Chinese lunisolar calendar
SS (Animal) (M'th month), D, YYYY
01 (Rat) (12'th month), 31, 1972
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
26664.76494213
Microsoft Timestamp / FileTime prompt Used in Windows system APIs for file and directory timestamp handling
100-nanoseconds since Jan 1, 1601
117391476910000000
Text Date prompt Textual representation of a date
MMM DD, YYYY HH:MM:SS
Dec 31, 1972 18:21:31
Mac Timestamp prompt Date and time format used in macOS
Seconds since January 1, 2001
883633109
Mongo ObjectID prompt Unique identifier format used in MongoDB
12-byte hexadecimal number
05a49cab0000000000000000
Julian Day Number prompt Date format used in astronomy
Number of days since January 1, 4713 BC
2441683.26494

What day of week 31/12/1972?

31 December 1972 is Sunday.

How long ago was 1972-12-31 18:21:31?

Current time is Saturday, March 1, 2025, 08:25:22

Years 52
Months 626
Weeks 2721
Days 19052
Hours 457262
Minutes 27435723
Seconds 1646143431

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