SQL Server CE –Use functions

You can calculate a number of hours in decimal format to Hours and minutes. The following is to present the result to hours and closest 15 minutes intervals.

Since SQL Server CE supports CASE, CAST , Mod for Int, you can try below query:

SELECT   dt,  
CAST (Cast((dt*60)/60 as int) 
+ CASE WHEN ((cast((dt*60) as INT)%60)/15 + (CASE WHEN (cast((dt*60) as INT)%60)%15>7.5 Then 1 Else 0 End) )=4 Then 1 Else 0 End as Nvarchar(5)) +' Hours' 
+ ' and ' + Cast ( ((cast((dt*60) as INT)%60)/15 + (CASE WHEN (cast((dt*60) as INT)%60)%15>7.5 Then 1 Else 0 End) )*15%60 as Nvarchar(5))  + ' Minutes'
AS HoursAndMinutes
FROM test1


 

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