init

Kreta.BusinessLogic/Extensions/TimeSpanExtensions.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Kreta.BusinessLogic.Extensions
+{
+    public static class TimeSpanExtensions
+    {
+        public static TimeSpan RoundDownToNearestTargetMinute(this TimeSpan timeSpan, int targetMinute)
+        {
+            return timeSpan.Subtract(new TimeSpan(0, timeSpan.Minutes % targetMinute, 0));
+        }
+    }
+}