Tooltip icon Insert the date in any format

Dec 21, 2021 17:12:18

2021

Year

12

Month


21

Day

17

Hour (24)


12

Minute

18

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
2021-12-21T17:12:18
ISO 8601 (Week) prompt Used in planning and reporting
YYYY-Www-D
2021-W51-2T17:12:18
RFC 3339 prompt Used in Internet protocols
YYYY-MM-DD'T'HH:mm:ss'Z'
2021-12-21T17:12:18Z
RFC 822 / RFC 2822 prompt Used in email protocols
ddd, DD MMM YYYY HH:mm:ss 'GMT'
Tue, 21 Dec 2021 17:12:18 +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
Tue, 21 Dec 2021 17:12:18 +0000
UNIX Time (Epoch Time) prompt Widely used in programming
Seconds since January 1, 1970
1640106738
ISO 9075 prompt A standard related to SQL query language
YYYY-MM-DD HH:MM:SS
2021-12-21 17:12:18
USA prompt Date format commonly used in the USA
MM/DD/YYYY HH:MM:SS
12-21-2021 17:12:18
British/French, EU prompt Date format commonly used in Europe
DD/MM/YY HH:MM:SS
21/12/2021 17:12:18
German prompt Date format commonly used in Germany
DD.MM.YYYY HH:MM:SS
21.12.2021 17:12:18
Italian prompt Date format commonly used in Italy
DD-MM-YYYY HH:MM:SS
21-12-2021 17:12:18
Japan prompt Date format commonly used in Japan
YYYY/MM/DD HH:MM:SS
2021/12/21 17:12:18
Chinese Date prompt Format used to represent dates in the Chinese lunisolar calendar
SS (Animal) (M'th month), D, YYYY
02 (Ox) (12'th month), 21, 2021
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
44551.716875
Microsoft Timestamp / FileTime prompt Used in Windows system APIs for file and directory timestamp handling
100-nanoseconds since Jan 1, 1601
132845803380000000
Text Date prompt Textual representation of a date
MMM DD, YYYY HH:MM:SS
Dec 21, 2021 17:12:18
Mac Timestamp prompt Date and time format used in macOS
Seconds since January 1, 2001
661799538
Mongo ObjectID prompt Unique identifier format used in MongoDB
12-byte hexadecimal number
61c20af20000000000000000
Julian Day Number prompt Date format used in astronomy
Number of days since January 1, 4713 BC
2459570.21688

What day of week 21/12/2021?

21 December 2021 is Tuesday.

How long ago was 2021-12-21 17:12:18?

Current time is Sunday, December 22, 2024, 13:35:26

Years 3
Months 36
Weeks 156
Days 1096
Hours 26324
Minutes 1579463
Seconds 94767788

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