diff --git a/source/java/org/alfresco/repo/content/ContentMinimalContextTestSuite.java b/source/java/org/alfresco/repo/content/ContentMinimalContextTestSuite.java
index b6daf8160f..fbef82d337 100644
--- a/source/java/org/alfresco/repo/content/ContentMinimalContextTestSuite.java
+++ b/source/java/org/alfresco/repo/content/ContentMinimalContextTestSuite.java
@@ -52,6 +52,7 @@ import org.alfresco.repo.content.transform.TextMiningContentTransformerTest;
 import org.alfresco.repo.content.transform.TextToPdfContentTransformerTest;
 import org.alfresco.repo.content.transform.TikaAutoContentTransformerTest;
 import org.alfresco.repo.content.transform.magick.ImageMagickContentTransformerTest;
+import org.alfresco.service.cmr.repository.TemporalSourceOptionsTest;
 import org.alfresco.service.cmr.repository.TransformationOptionLimitsTest;
 import org.alfresco.service.cmr.repository.TransformationOptionPairTest;
 import org.alfresco.util.ApplicationContextHelper;
@@ -95,6 +96,9 @@ public class ContentMinimalContextTestSuite extends TestSuite
        suite.addTest(new JUnit4TestAdapter(TransformationOptionLimitsTest.class));
        suite.addTest(new JUnit4TestAdapter(TransformationOptionPairTest.class));
        
+       // Source options
+       suite.addTest(new JUnit4TestAdapter(TemporalSourceOptionsTest.class));
+       
        // Metadata tests
        suite.addTestSuite( DWGMetadataExtracterTest.class );
        suite.addTestSuite( HtmlMetadataExtracterTest.class );
diff --git a/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptions.java b/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptions.java
index d54b574a56..25441b0f27 100644
--- a/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptions.java
+++ b/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptions.java
@@ -21,6 +21,7 @@ package org.alfresco.service.cmr.repository;
 import java.io.Serializable;
 import java.util.Map;
 
+import org.alfresco.error.AlfrescoRuntimeException;
 import org.alfresco.service.cmr.repository.AbstractTransformationSourceOptions;
 
 /**
@@ -38,6 +39,9 @@ import org.alfresco.service.cmr.repository.AbstractTransformationSourceOptions;
 public class TemporalSourceOptions extends AbstractTransformationSourceOptions
 {
 
+    /** Validation regex for hh:mm:ss[.xxx], ignoring leap seconds and allowing up to 99 hours */
+    private static final String VALID_TIME_STRING_REGEX = "\\d{2}:[0-5][0-9]:[0-5][0-9](\\.\\d{1,3})?";
+
     /** The offset time code from which to start the transformation */
     private String offset;
     
@@ -72,6 +76,7 @@ public class TemporalSourceOptions extends AbstractTransformationSourceOptions
      */
     public void setOffset(String offset)
     {
+        TemporalSourceOptions.validateTimeString(offset);
         this.offset = offset;
     }
 
@@ -94,8 +99,22 @@ public class TemporalSourceOptions extends AbstractTransformationSourceOptions
      */
     public void setDuration(String duration)
     {
+        TemporalSourceOptions.validateTimeString(duration);
         this.duration = duration;
     }
+    
+    /**
+     * Validates that the given value is of the form hh:mm:ss[.xxx]
+     * 
+     * @param value
+     */
+    public static void validateTimeString(String value)
+    {
+        if (value != null && !value.matches(VALID_TIME_STRING_REGEX))
+        {
+            throw new AlfrescoRuntimeException("'" + value + "' is not a valid time specification of the form hh:mm:ss[.xxx]");
+        }
+    }
 
     @Override
     public TransformationSourceOptions mergedOptions(TransformationSourceOptions overridingOptions)
diff --git a/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptionsTest.java b/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptionsTest.java
new file mode 100644
index 0000000000..8d2fbbc11c
--- /dev/null
+++ b/source/java/org/alfresco/service/cmr/repository/TemporalSourceOptionsTest.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2005-2013 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.service.cmr.repository;
+
+import static org.junit.Assert.*;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test {@link TemporalSourceOptions}.
+ * 
+ * @author Ray Gauss II
+ */
+public class TemporalSourceOptionsTest
+{
+    private TemporalSourceOptions temporalSourceOptions;
+    
+    private String[] expectedFailures = new String[] {
+            "not even close",
+            "2 hours",
+            "01:00", // Incomplete: hours, minutes, and seconds required
+            "0.01", // Incomplete: hours, minutes, and seconds required
+            "00.00.01", // Delimiter is incorrect
+            "1:30:15", // Hours, minutes, and seconds must have leading zeros
+            "00:99:99" // Minutes and seconds can not be greater than 60
+    };
+    
+    private String[] expectedSuccesses = new String[] {
+            "00:00:00.05",
+            "00:01:30",
+            "01:01:01",
+            "01:01:01.1",
+            "99:59:59.999",
+            "99:00:00"
+    };
+    
+    @Before
+    public void setUp() throws Exception
+    {
+        temporalSourceOptions = new TemporalSourceOptions();
+    }
+
+    protected void setDurationWithExpectedFailure(String value)
+    {
+        try
+        {
+            temporalSourceOptions.setDuration(value);
+            fail("'" + value + "' should be invalid");
+        }
+        catch (AlfrescoRuntimeException e)
+        {
+            // expected
+        }
+    }
+    
+    protected void setDurationWithExpectedSuccess(String value)
+    {
+        try
+        {
+            temporalSourceOptions.setDuration(value);
+        }
+        catch (AlfrescoRuntimeException e)
+        {
+            fail(e.getMessage());
+        }
+    }
+    
+    protected void setOffsetWithExpectedFailure(String value)
+    {
+        try
+        {
+            temporalSourceOptions.setOffset(value);
+            fail("'" + value + "' should be invalid");
+        }
+        catch (AlfrescoRuntimeException e)
+        {
+            // expected
+        }
+    }
+    
+    protected void setOffsetWithExpectedSuccess(String value)
+    {
+        try
+        {
+            temporalSourceOptions.setOffset(value);
+        }
+        catch (AlfrescoRuntimeException e)
+        {
+            fail(e.getMessage());
+        }
+    }
+    
+    @Test
+    public void testDurationValidation() throws Exception
+    {
+        for (String expectedFailure : expectedFailures)
+        {
+            setDurationWithExpectedFailure(expectedFailure);
+        }
+        for (String expectedSuccess : expectedSuccesses)
+        {
+            setDurationWithExpectedSuccess(expectedSuccess);
+        }
+    }
+    
+    @Test
+    public void testOffsetValidation() throws Exception
+    {
+        for (String expectedFailure : expectedFailures)
+        {
+            setOffsetWithExpectedFailure(expectedFailure);
+        }
+        for (String expectedSuccess : expectedSuccesses)
+        {
+            setOffsetWithExpectedSuccess(expectedSuccess);
+        }
+    }
+
+}
+