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Dates far the past using MM/dd/YYYY are displayed one year ahead #178

sethjohnson1 opened this Issue Sep 27, 2018 · 4 comments


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sethjohnson1 commented Sep 27, 2018

I have noticed that when dates toward the turn of the century or before are displayed as MM/dd/YYYY, they appear incorrectly - one year ahead of where they should be. For example 12/31/1889 is saved to the database, and then rendered as 12/31/1890. Obviously this causes problems with CakePHPs edit views, where the values are automatically populated in form controls. Each time the user saves, the date is incremented ahead.

I noticed if I use Cake\I18n\FrozenDate::setToStringFormat(\IntlDateFormatter::SHORT) instead of Cake\I18n\FrozenDate::setToStringFormat('MM/dd/YYYY') then the dates are displayed correctly.


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markstory commented Sep 27, 2018

Does your database support saving values formatted with mm/dd/yyyy? The date columns I've worked with in the past required YYYY-MM-DD.

How can someone reproduce the issue you're having/seeing?

@markstory markstory added the bug label Sep 27, 2018


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sethjohnson1 commented Sep 27, 2018

I am using cakePHP to save them to a Microsoft SQL 2016 database, which is using the datatype of date – and requires the format to be YYYY-MM-DD. The saving is not the problem, I think it’s just a formatting issue. The problem can be reproduced by saving the date “12/31/1889” to a database using a generic “baked” cakePHP CRUD application. Then go to the “Edit” view, and the autofilled date is “12/31/1890”

I can create one quickly on a MySQL database if you think Microsoft SQL is the culprit, but I think it has something to do with formatting since setting Cake\I18n\FrozenDate::setToStringFormat(\IntlDateFormatter::SHORT) in bootstrap.php displays the date correctly.

I should also clarify that it seems to be any date around the turn of the century or earlier, and near the end of the year. I haven't had enough time to figure out exactly when the cutoff might be - I thought I would open the issue here first. Let me know if there is something specific I can do to help.


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lorenzo commented Sep 28, 2018

The format is wrong, please use yyyy as uppercase Y means "week year" which is a different thing. You can read about the format here

@lorenzo lorenzo closed this Sep 28, 2018


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sethjohnson1 commented Sep 28, 2018

Yes but this happens with the default settings in CakePHP, so I apologize that my Comment was using the wrong format - but I believe there is still a bug in the software itself. Did you try to replicate the issue? Would you like me to bake a generic application and host it online to demonstrate it for you?

Ok I stand corrected! Thank you for the help.

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