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Related: Culture Forums, Support ForumsCircle the smallest number.
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And, yeah, that's January 9, 2019, not September 1, 2019. For more on this:
January 7, 2019 Brad Kelechava
Which date format is the standard? ISO takes a different approach.
With time on our water-and-dirt-based planet, some things are absolute. For instance, it takes about 24 hours for the earth to rotate on its axis, and this is the basis for a day. Furthermore, it takes 365.2422 of these days for the earth to complete a rotation around the sun. All users of the Gregorian Calendar express these durations in years, months, and days, but, in representing any single day, the order of these three designations of time can vary.
For dates, most nations follow the day/month/year format (07/01/19 for January 7, 2019, for example), but the United States adheres to its own format of month/day/year (1/7/19 or 1/7/2019).
Clearly, this can lead to some confusion. As anyone traveling to the United States or any American in another country can attest, it can be a challenge to put yourself in the mindset to process a different standard format. In addition, with the date being just three numbers, switching two of the three drastically changes the date represented. 1/7/19 being both January 7, 2019 and July 1, 2019 is quite a disparity.
People will certainly argue as to which of these two standard formats for dates is correct, but it cannot be denied that their shared use can induce errors. In fact, the potential for misinterpreting dates across national boundaries is the logic for the ISO date format.
As specified by ISO 8601:2004 Data Elements And Interchange Formats Information Interchange Representation Of Dates And Times, the ISO format for dates represents year, month, and day from the largest unit to the smallest, most specific unit of time. For example, January 7, 2019 would be:
{snip}
eppur_se_muova
(36,301 posts)If you have a bunch of files like results.180415.txt, results.171118.txt, etc., you can sort by name and they'll come out sorted by date. So different from including Jan, May, Dec. etc in filenames. And if you edit the files, you can sort by date modified to see which ones have recently changed, or by name to preserve the creation date order.
Not sure why people started abbreviating as YYMMDD -- I've always used yrmoda (pronounced "yer mudda" .
csziggy
(34,138 posts)It drives me nuts to get news letters labeled "newsletter June 2018," newsletter January 2018," and so forth. First off they will never be in order since the months when spelled out don't sort properly. Second it just feels so wrong!
When I put files for individuals in their folders and they are labeled YYYY-MM-DD theyare easy to sort into the correct order for the life of that person so I am used to doing it that way. Now when I am scanning or copying files whether financial or other, I always put the year, month and date - and since I am used to using the four digit year I just keep doing that. I also like putting the hyphens in, then an underline to separate the date from additional info such as place (as ST_county_city) and more (birth, death, marriage, etc).
edbermac
(15,947 posts)They use ddmmyy.