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Asked: 2026-05-25T20:01:27+00:00

I have an array that contains date strings like 9/15/2011 12:00:00 AM, 10/15/2011 12:00:00

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I have an array that contains date strings like

“9/15/2011 12:00:00 AM”, “10/15/2011 12:00:00 AM”, “11/16/2011 12:00:00 AM”

How can I sort this array in descending order?
The order should be, sort by year first, then, month, then date and then time.

Please share your ideas.
Thank you

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1 Answer

  1. Editorial Team

    Sorting NSDates while they are in NSString format is almost not possible, except if they are in the format “YYYYMMddHHmmss” which you can sort as sorting strings. Refer @Daniel R Hicks answer.

    Convert the string into NSDate while you parse and add the dates from web service.

    NSString *dateStr = ...
NSDateFormatter *df = ;[NSDateFormatter alloc] init];
[df setDateFormat:@"M/dd/YYYY hh:mm:ss a"];

[datesArray addObject:[df dateFromString:dateStr]];

    And the sorting,

    [datesArray sortUsingSelector:@selector(compare:)];

    And the original answer is here!

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