diff --git a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
index eab81186d5..5b4284dc2f 100644
--- a/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
+++ b/osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
@@ -58,6 +58,11 @@ namespace osu.Game.Rulesets.Difficulty
             return CreateDifficultyAttributes(Beatmap, playableMods, skills, clockRate);
         }
 
+        /// <summary>
+        /// Calculates the difficulty of the beatmap and returns a set of <see cref="TimedDifficultyAttributes"/> representing the difficulty at every relevant time value in the beatmap.
+        /// </summary>
+        /// <param name="mods">The mods that should be applied to the beatmap.</param>
+        /// <returns>The set of <see cref="TimedDifficultyAttributes"/>.</returns>
         public List<TimedDifficultyAttributes> CalculateTimed(params Mod[] mods)
         {
             preProcess(mods);
@@ -77,7 +82,7 @@ namespace osu.Game.Rulesets.Difficulty
                 foreach (var skill in skills)
                     skill.ProcessInternal(hitObject);
 
-                attribs.Add(new TimedDifficultyAttributes(hitObject.EndTime, CreateDifficultyAttributes(progressiveBeatmap, playableMods, skills, clockRate)));
+                attribs.Add(new TimedDifficultyAttributes(hitObject.EndTime * clockRate, CreateDifficultyAttributes(progressiveBeatmap, playableMods, skills, clockRate)));
             }
 
             return attribs;
diff --git a/osu.Game/Rulesets/Difficulty/TimedDifficultyAttributes.cs b/osu.Game/Rulesets/Difficulty/TimedDifficultyAttributes.cs
index 973b2dacb2..2509971389 100644
--- a/osu.Game/Rulesets/Difficulty/TimedDifficultyAttributes.cs
+++ b/osu.Game/Rulesets/Difficulty/TimedDifficultyAttributes.cs
@@ -11,9 +11,21 @@ namespace osu.Game.Rulesets.Difficulty
     /// </summary>
     public class TimedDifficultyAttributes : IComparable<TimedDifficultyAttributes>
     {
+        /// <summary>
+        /// The non-clock-adjusted time value at which the attributes take effect.
+        /// </summary>
         public readonly double Time;
+
+        /// <summary>
+        /// The attributes.
+        /// </summary>
         public readonly DifficultyAttributes Attributes;
 
+        /// <summary>
+        /// Creates new <see cref="TimedDifficultyAttributes"/>.
+        /// </summary>
+        /// <param name="time">The non-clock-adjusted time value at which the attributes take effect.</param>
+        /// <param name="attributes">The attributes.</param>
         public TimedDifficultyAttributes(double time, DifficultyAttributes attributes)
         {
             Time = time;