If you generate CAML using LINQ to SharePoint in Visual Studio 2010 then you might see this bug popup: If you are writing a CAML query to filter records based on Date and Time, and this query is generated using LINQ To SharePoint then you will get the following CAML query generated: <View> <Query> <Where> <And> <Eq> <FieldRef Name='Title' /> <Value Type='Text'>{0}</Valu... </Eq> <Lt> <FieldRef Name='QuoteTime' IncludeTimeValue='TRUE' />...