RegionalSettings.TimeZone.UTCToLocalTime will always return 01/01/0001 00:00:00

Question

I have the following CSOM code inside my C# console application:-

var regionalSettings = context.Web.RegionalSettings;  
var localDueDate = regionalSettings.TimeZone.UTCToLocalTime(itemversion.Created).Value;  

but the localDueDate will always be equal to 01/01/0001 00:00:00.. my site collection regional setting is :-

so i though the above code will add 4 hours to the DateTime.. so can anyone advice what is wrong with my code? in my case the itemversion.Created equal 14/10/2020 13:14:11, but var localDueDate = regionalSettings.TimeZone.UTCToLocalTime(itemversion.Created).Value; will return 01/01/0001 00:00:00!!

Answer 1

Hi @john john ,

The operation has not been submitted, thus it will output the blank date. Please add following snnipet to your code:

var spTimeZone = context.Web.RegionalSettings.TimeZone;  
ClientResult<DateTime> cr = spTimeZone.UTCToLocalTime({your date});  
context.ExecuteQuery();  
  
Console.WriteLine(cr.Value);  

Best Regards,
Baker Kong

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