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https://issues.apache.org/jira/browse/FLEX-34209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13958283#comment-13958283
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Justin Mclean edited comment on FLEX-34209 at 4/2/14 11:01 PM:
---------------------------------------------------------------

ampm.howOwnProperty checks for various pm strings.

>From the top of the method:
{code}
                ampm["PM"] = true;
                ampm["pm"] = true;
                ampm["\u33D8"] = true; // unicode pm
                ampm["μμ"] = true; // Greek
                ampm["午後"] = true; // Japanese
                ampm["上午"] = true; // Chinese
                ampm["오후"] = true; // Korean
{code}

Looks like something odd may be going will check into it.

Thanks for reporting.




was (Author: jmclean):
ampm.howOwnProperty checks for various pm strings.

>From the top of the method:
                ampm["PM"] = true;
                ampm["pm"] = true;
                ampm["\u33D8"] = true; // unicode pm
                ampm["μμ"] = true; // Greek
                ampm["午後"] = true; // Japanese
                ampm["上午"] = true; // Chinese
                ampm["오후"] = true; // Korean

Looks like something odd may be going will check into it.

Thanks for reporting.



> DateFormatter's parseDateTime method doesn't handle AM PM properly when time 
> is in the 12 PM hour
> -------------------------------------------------------------------------------------------------
>
>                 Key: FLEX-34209
>                 URL: https://issues.apache.org/jira/browse/FLEX-34209
>             Project: Apache Flex
>          Issue Type: Bug
>    Affects Versions: Apache Flex 4.12.0
>            Reporter: Doug Pierce
>            Assignee: Justin Mclean
>
> DateFormatter.parseDateTime does not properly parse strings in the noon hour 
> with an AM or PM designator.
> For example, "2/13/2014 12:23:22 PM" does not translate to a date and instead 
> returns a null value.
> Upon research into this method, it appears that there is a secondary "catch 
> all" conditional for "Other Locales AM PM" that actually overwrites correct 
> derivation of the "hour" value that is used to create the return Date value:
>                               // Other lacales AM/PM 
>                               if (ampm.hasOwnProperty(word))
>                               {
>                                       isPM = true;
>                                       
>                                       if (hour > 12)
>                                               break; // error
>                                       else if (hour >= 0)
>                                               hour += 12;
>                               }
> This conditional does not appear to handle any time between 12:00, including, 
> and 1:00 PM, excluding, properly as it makes the hour 24.  When the final 
> return value is calculated, the 24 hour actually rounds the total date value 
> UP to the next day, resulting in a failed date derivation validation check 
> found near the bottom of this method:
>         // create a date object and check the validity of the input date
>         // by comparing the result with input values.
>         var newDate:Date = new Date(year, mon, day, hour, min, sec, milli);
>         if (day != newDate.getDate() || mon != newDate.getMonth())
>             return null;
> The check compares the read "day" value against the derived "getDate()" value 
> which proves a true value - returning null instead of the derived date.
> I'm unsure of the reasoning for the "other locales" conditional.  Therefore 
> simply removing it may not be the proper solution.  A better solution may be 
> to remove the 12 value from the conditional as so:
>                               
>                               // Other lacales AM/PM 
>                               if (ampm.hasOwnProperty(word))
>                               {
>                                       isPM = true;
>                                       
>                                       if (hour > 12)
>                                               break; // error
>                                       else if (hour >= 0 && hour < 12)
>                                               hour += 12;
>                               }



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