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Mike Dutra
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How to convert UTC to local time before data is plotted
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I have a XamDataChart with several StepLineSeries and I am now adding several ScatterSeries to the chart. When I added the StepLine sources I created new collections and convert all the datapoints' time to local time before I populate the collections, however, for the scatter series I already have all the data in a collection available to me but the time is in UTC. I am trying not to create a new collection just to reproduce all that data with the corrected time. Is there a way to point the scatter series to the collection but run a converter on all the datapoints before they are plotted?

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  • 12875
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    Mike,

    I'm not sure if I understand all that you said; why you are converting the datetime to local time. 

    But I would suggest that the datetimes could all remain in UTC time and you could use a standard datetime format string to convert to local time from the UTC time for a label, if that is required, in which case this link may be helpful to you.

    Standard Date and Time Format Strings

    http://msdn.microsoft.com/en-us/library/az4se3k1(v=VS.100).aspx

    To literally convert between time zones and UTC this may be helpful.  Let me know if you need to use a valueconverter.

    http://msdn.microsoft.com/en-us/library/bb397769.aspx

    You can also identify whether a datetime is UTC or local time when you declare the value.

     DateTime dtUTC = new DateTime(2012, 10, 15, 10, 10, 25,DateTimeKind.Utc);

     DateTime dtlocal0 = new DateTime(2012, 9, 25, 13, 10, 25,DateTimeKind.Local);

     

    Please let me know if this information is helpful to you. 

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