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Editorial Team
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Asked: 2026-06-01T05:15:04+00:00

My task is to retrieve data from XML file. Every node in XML file

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My task is to retrieve data from XML file.
Every node in XML file contains date and time. To read and convert it I’m using the following:

date = DateTime.ParseExact(turnoNode.SelectSingleNode(“FechaHoraAlta”).InnerText, “dd/MM/yyyy hh:mm:ss”, CultureInfo.InvariantCulture);

For the first two nodes it converts dates correctly: 

<FechaHoraAlta>19/04/2012 10:00:36</FechaHoraAlta>
<FechaHoraAlta>19/04/2012 11:00:05</FechaHoraAlta>

The problem occurs for the third node containing:

<FechaHoraAlta>22/04/2012 19:37:52</FechaHoraAlta>

Then FormatException exception is thrown saying that string was not recognized as a valid DateTime.

I tried to debug it, all I know is that it gets InnerText correctly, it’s “22/04/2012 19:37:52”. It just cannot convert it, but I have no idea why.

I saw a lot of similar problems here on stackoverflow, but so far I haven’t found any proper solution.

Does someone know what the problem can be?

Thank you in advance.

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1 Answer

  1. Editorial Team

    Look at your format pattern:

    "dd/MM/yyyy hh:mm:ss"

    “hh” means a twelve hour clock, usually in conjunction with “tt” for the AM/PM designator. So 19 isn’t a valid value. You want “HH” instead of “hh”, as “HH” uses the 24 hour clock.

    See MSDN on custom date and time format strings for more information.

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