diff --git a/configure.py b/configure.py
index 8603c456..50678e80 100755
--- a/configure.py
+++ b/configure.py
@@ -951,7 +951,7 @@ config.libs = [
             Object(NonMatching, "Kyoto/Math/CFrustumPlanes.cpp"),
             Object(NonMatching, "Kyoto/Graphics/CCubeMaterial.cpp"),
             Object(Matching, "Kyoto/Graphics/CCubeSurface.cpp"),
-            Object(NonMatching, "Kyoto/Animation/CCharAnimTime.cpp"),
+            Object(Matching, "Kyoto/Animation/CCharAnimTime.cpp"),
             Object(Matching, "Kyoto/Animation/CSegIdList.cpp"),
             Object(Matching, "Kyoto/Input/CFinalInput.cpp"),
             Object(Matching, "Kyoto/Graphics/CColor.cpp"),
diff --git a/include/Kyoto/Animation/CCharAnimTime.hpp b/include/Kyoto/Animation/CCharAnimTime.hpp
index 81e79f62..18eb1089 100644
--- a/include/Kyoto/Animation/CCharAnimTime.hpp
+++ b/include/Kyoto/Animation/CCharAnimTime.hpp
@@ -18,7 +18,7 @@ public:
 
   explicit CCharAnimTime(CInputStream& in);
   explicit CCharAnimTime(float time);
-  explicit CCharAnimTime(EType type, float time) : x0_time(time), x4_type(type) {}
+  explicit CCharAnimTime(const EType& type, const float& time) : x0_time(time), x4_type(type) {}
   CCharAnimTime(const CCharAnimTime& other) : x0_time(other.x0_time), x4_type(other.x4_type) {}
 
   bool operator>(const CCharAnimTime& other) const;
@@ -26,7 +26,7 @@ public:
   bool operator!=(const CCharAnimTime& other) const;
   bool operator<(const CCharAnimTime& other) const;
   float operator/(const CCharAnimTime& other) const;
-  float operator*(const float& other) const;
+  CCharAnimTime operator*(const float& other) const;
   CCharAnimTime operator-(const CCharAnimTime& other) const;
   CCharAnimTime operator+(const CCharAnimTime& other) const;
   const CCharAnimTime& operator+=(const CCharAnimTime& other);
@@ -36,7 +36,10 @@ public:
   bool GreaterThanZero() const;
   bool EqualsZero() const;
   void PutTo(COutputStream& out) const;
-  static CCharAnimTime Infinity() { return CCharAnimTime(kT_Infinity, 1.0f); }
+  //static CCharAnimTime Infinity() { return CCharAnimTime(kT_Infinity, 1.0f); }
+  static CCharAnimTime ZeroFlat() { return CCharAnimTime(kT_ZeroSteady, 0.f); }
+  //static CCharAnimTime ZeroPlus() { return CCharAnimTime(kT_ZeroIncreasing, 0.f); }
+  //static CCharAnimTime ZeroMinus() { return CCharAnimTime(kT_ZeroDecreasing, 0.f); }
 
   int ZeroOrdering() const {
     if (x4_type == kT_ZeroDecreasing) {
@@ -48,6 +51,17 @@ public:
     return 1;
   }
 
+  static EType ZeroTypeFromOrdering(int ordering) {
+    if (ordering == -1) {
+      return kT_ZeroDecreasing;
+    }
+    if (ordering == 0) {
+      return kT_ZeroSteady;
+    }
+
+    return kT_ZeroIncreasing;
+  }
+
 private:
   float x0_time;
   EType x4_type;
diff --git a/src/Kyoto/Animation/CCharAnimTime.cpp b/src/Kyoto/Animation/CCharAnimTime.cpp
index 4355b7c1..d076e036 100644
--- a/src/Kyoto/Animation/CCharAnimTime.cpp
+++ b/src/Kyoto/Animation/CCharAnimTime.cpp
@@ -3,8 +3,13 @@
 #include "Kyoto/Streams/CInputStream.hpp"
 #include "Kyoto/Streams/COutputStream.hpp"
 
+#include <rstl/math.hpp>
+
+inline const float& derp(const float& d) { return d; }
+
 CCharAnimTime::CCharAnimTime(CInputStream& in)
-: x0_time(in.Get< float >()), x4_type(EType(in.Get< int >())) {}
+: x0_time(in.Get< float >()), x4_type(EType(in.Get< int >())) {
+}
 
 CCharAnimTime::CCharAnimTime(float time) : x0_time(time) {
   if (time == 0.f) {
@@ -26,16 +31,19 @@ bool CCharAnimTime::operator<(const CCharAnimTime& other) const {
   if (EqualsZero()) {
     if (other.EqualsZero()) {
 
-      return ZeroOrdering() < ZeroOrdering();
-      if (other.x4_type == kT_NonZero) {
-        return other.x0_time > 0.f;
-      }
+      return ZeroOrdering() < other.ZeroOrdering();
+    }
+    if (other.x4_type == kT_NonZero) {
+      return 0.f < other.x0_time;
     }
     return other.x0_time > 0.f;
   }
 
   if (other.x4_type == kT_Infinity) {
-    return 0.f < x0_time || other.x0_time > 0.f;
+    if (x0_time < 0.f && other.x0_time > 0.f) {
+      return true;
+    }
+    return false;
   }
 
   return x0_time < 0.f;
@@ -77,11 +85,68 @@ float CCharAnimTime::operator/(const CCharAnimTime& other) const {
   return x0_time / other.x0_time;
 }
 
-float CCharAnimTime::operator*(const float& other) const {}
+CCharAnimTime CCharAnimTime::operator*(const float& other) const {
+  if (other == 0.f) {
+    return ZeroFlat();
+  }
 
-CCharAnimTime CCharAnimTime::operator-(const CCharAnimTime& other) const {}
+  if (EqualsZero()) {
+    if (other > 0.f) {
+      return *this;
+    } else if (other < 0.f) {
+      return CCharAnimTime(ZeroTypeFromOrdering(-ZeroOrdering()), 0.f);
+    }
+    return ZeroFlat();
+  }
 
-CCharAnimTime CCharAnimTime::operator+(const CCharAnimTime& other) const {}
+  return CCharAnimTime(x0_time * other);
+}
+
+CCharAnimTime CCharAnimTime::operator-(const CCharAnimTime& other) const {
+  if (x4_type == kT_Infinity || other.x4_type == kT_Infinity) {
+    if (x4_type == kT_Infinity && other.x4_type == kT_Infinity) {
+      if (other.x0_time == x0_time) {
+        return ZeroFlat();
+      }
+      return *this;
+    }
+
+    if (x4_type == kT_Infinity) {
+      return *this;
+    }
+
+    return CCharAnimTime(kT_Infinity, -other.x0_time);
+  }
+
+  if (EqualsZero() && other.EqualsZero()) {
+    int ordering = ZeroOrdering() - other.ZeroOrdering();
+
+    return CCharAnimTime(ZeroTypeFromOrdering(ordering), 0.f);
+  }
+  return CCharAnimTime(x0_time - other.x0_time);
+}
+
+CCharAnimTime CCharAnimTime::operator+(const CCharAnimTime& other) const {
+  if (x4_type == kT_Infinity || other.x4_type == kT_Infinity) {
+    if (x4_type == kT_Infinity && other.x4_type == kT_Infinity) {
+      if (other.x0_time == x0_time) {
+        return *this;
+      }
+      return ZeroFlat();
+    }
+
+    if (x4_type == kT_Infinity) {
+      return *this;
+    }
+
+    return other;
+  }
+
+  if (EqualsZero() && other.EqualsZero()) {
+    return CCharAnimTime(ZeroTypeFromOrdering(rstl::max_val(-1, rstl::min_val(ZeroOrdering() + other.ZeroOrdering(), 1))), 0.f);
+  }
+  return CCharAnimTime(x0_time + other.x0_time);
+}
 
 const CCharAnimTime& CCharAnimTime::operator+=(const CCharAnimTime& other) {
   return *this = *this + other;