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Oct 21, 2021 20:31:27

2021

Year

10

Month

21

Day

20

Hour (24)

31

Minute

27

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	2021-10-21T20:31:27
ISO 8601 (Week) Used in planning and reporting YYYY-Www-D	2021-W42-4T20:31:27
RFC 3339 Used in Internet protocols YYYY-MM-DD'T'HH:mm:ss'Z'	2021-10-21T20:31:27Z
RFC 822 / RFC 2822 Used in email protocols ddd, DD MMM YYYY HH:mm:ss 'GMT'	Thu, 21 Oct 2021 20:31:27 +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	Thu, 21 Oct 2021 20:31:27 +0000
UNIX Time (Epoch Time) Widely used in programming Seconds since January 1, 1970	1634848287
ISO 9075 A standard related to SQL query language YYYY-MM-DD HH:MM:SS	2021-10-21 20:31:27
USA Date format commonly used in the USA MM/DD/YYYY HH:MM:SS	10-21-2021 20:31:27
British/French, EU Date format commonly used in Europe DD/MM/YY HH:MM:SS	21/10/2021 20:31:27
German Date format commonly used in Germany DD.MM.YYYY HH:MM:SS	21.10.2021 20:31:27
Italian Date format commonly used in Italy DD-MM-YYYY HH:MM:SS	21-10-2021 20:31:27
Japan Date format commonly used in Japan YYYY/MM/DD HH:MM:SS	2021/10/21 20:31:27
Chinese Date Format used to represent dates in the Chinese lunisolar calendar SS (Animal) (M'th month), D, YYYY	02 (Ox) (10'th month), 21, 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	44490.855173611
Microsoft Timestamp / FileTime Used in Windows system APIs for file and directory timestamp handling 100-nanoseconds since Jan 1, 1601	132793218870000000
Text Date Textual representation of a date MMM DD, YYYY HH:MM:SS	Oct 21, 2021 20:31:27
Mac Timestamp Date and time format used in macOS Seconds since January 1, 2001	656541087
Mongo ObjectID Unique identifier format used in MongoDB 12-byte hexadecimal number	6171ce1f0000000000000000
Julian Day Number Date format used in astronomy Number of days since January 1, 4713 BC	2459509.35517

What day of week 21/10/2021?

21 October 2021 is Thursday.

How long ago was 2021-10-21 20:31:27?

Current time is Monday, February 10, 2025, 14:06:29

Years	3
Months	39
Weeks	172
Days	1207
Hours	28985
Minutes	1739135
Seconds	104348102

Pagination navigate

2021 Year

10 Month

21 Day

20 Hour (24)

31 Minute

27 Second

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