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Dec 15, 2021 18:09:53

2021

Year

12

Month

15

Day

18

Hour (24)

09

Minute

53

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	2021-12-15T18:09:53
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2021-W50-3T18:09:53
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2021-12-15T18:09:53Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Wed, 15 Dec 2021 18:09:53 +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	Wed, 15 Dec 2021 18:09:53 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1639591793
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2021-12-15 18:09:53
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	12-15-2021 18:09:53
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	15/12/2021 18:09:53
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	15.12.2021 18:09:53
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	15-12-2021 18:09:53
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2021/12/15 18:09:53
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	02 (Ox) (12'th month), 15, 2021
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	44545.756863426
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	132840653930000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Dec 15, 2021 18:09:53
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	661284593
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	61ba2f710000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2459564.25686

What day of week 15/12/2021?

15 December 2021 is Wednesday.

How long ago was 2021-12-15 18:09:53?

Current time is Friday, February 7, 2025, 18:20:56

Years	3
Months	37
Weeks	164
Days	1150
Hours	27600
Minutes	1656011
Seconds	99360663

Pagination navigate

2021 Year

12 Month

15 Day

18 Hour (24)

09 Minute

53 Second

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