diff --git a/src/main/java/org/javarosa/core/model/data/TimeData.java b/src/main/java/org/javarosa/core/model/data/TimeData.java
index ae301e807e..b4407d2b86 100755
--- a/src/main/java/org/javarosa/core/model/data/TimeData.java
+++ b/src/main/java/org/javarosa/core/model/data/TimeData.java
@@ -77,12 +77,12 @@ public void writeExternal(DataOutputStream out) throws IOException {
 
     @Override
     public UncastData uncast() {
-        return new UncastData(DateUtils.formatTime(d, DateUtils.FORMAT_ISO8601));
+        return new UncastData(DateUtils.formatTime(d, DateUtils.FORMAT_ISO8601_WALL_TIME));
     }
 
     @Override
     public TimeData cast(UncastData data) throws IllegalArgumentException {
-        Date ret = DateUtils.parseTime(data.value);
+        Date ret = DateUtils.parseTime(data.value, true);
         if (ret != null) {
             return new TimeData(ret);
         }
diff --git a/src/main/java/org/javarosa/core/model/utils/DateUtils.java b/src/main/java/org/javarosa/core/model/utils/DateUtils.java
index efe7604330..6ca973d3bb 100755
--- a/src/main/java/org/javarosa/core/model/utils/DateUtils.java
+++ b/src/main/java/org/javarosa/core/model/utils/DateUtils.java
@@ -20,6 +20,7 @@ public class DateUtils {
     private static final int MONTH_OFFSET = (1 - Calendar.JANUARY);
 
     public static final int FORMAT_ISO8601 = 1;
+    public static final int FORMAT_ISO8601_WALL_TIME = 10;
     public static final int FORMAT_HUMAN_READABLE_SHORT = 2;
     public static final int FORMAT_HUMAN_READABLE_DAYS_FROM_TODAY = 5;
     public static final int FORMAT_TIMESTAMP_SUFFIX = 7;
@@ -296,6 +297,8 @@ private static String formatTime(DateFields f, int format) {
         switch (format) {
             case FORMAT_ISO8601:
                 return formatTimeISO8601(f);
+            case FORMAT_ISO8601_WALL_TIME:
+                return formatTimeISO8601(f, true);
             case FORMAT_HUMAN_READABLE_SHORT:
                 return formatTimeColloquial(f);
             case FORMAT_TIMESTAMP_SUFFIX:
@@ -342,7 +345,14 @@ private static String formatDateSuffix(DateFields f) {
     }
 
     private static String formatTimeISO8601(DateFields f) {
+        return formatTimeISO8601(f, false);
+    }
+
+    private static String formatTimeISO8601(DateFields f, boolean suppressTimezone) {
         String time = intPad(f.hour, 2) + ":" + intPad(f.minute, 2) + ":" + intPad(f.second, 2) + "." + intPad(f.secTicks, 3);
+        if (suppressTimezone) {
+            return time;
+        }
 
         int offset;
         if (timezoneOffset() != -1) {
@@ -499,7 +509,11 @@ private static boolean parseDateAndStore(String dateStr, DateFields df) {
     }
 
     public static Date parseTime(String str) {
-        if (timezoneOffset() != -1 && !str.contains("+") && !str.contains("-") && !str.contains("Z")) {
+        return parseTime(str, false);
+    }
+
+    public static Date parseTime(String str, boolean ignoreTimezone) {
+        if (!ignoreTimezone && (timezoneOffset() != -1 && !str.contains("+") && !str.contains("-") && !str.contains("Z"))) {
             str = str + getOffsetInStandardFormat(timezoneOffset());
         }
 
diff --git a/src/main/java/org/javarosa/xform/util/XFormAnswerDataSerializer.java b/src/main/java/org/javarosa/xform/util/XFormAnswerDataSerializer.java
index fc1c8f9f95..c88c075cfd 100755
--- a/src/main/java/org/javarosa/xform/util/XFormAnswerDataSerializer.java
+++ b/src/main/java/org/javarosa/xform/util/XFormAnswerDataSerializer.java
@@ -105,7 +105,7 @@ public Object serializeAnswerData(DateTimeData data) {
      * formatting
      */
     public Object serializeAnswerData(TimeData data) {
-        return DateUtils.formatTime((Date)data.getValue(), DateUtils.FORMAT_ISO8601);
+        return DateUtils.formatTime((Date)data.getValue(), DateUtils.FORMAT_ISO8601_WALL_TIME);
     }
 
     /**
diff --git a/src/test/java/org/javarosa/core/model/data/test/TimeDataTests.java b/src/test/java/org/javarosa/core/model/data/test/TimeDataTests.java
index 334871d01a..ee6daaee60 100755
--- a/src/test/java/org/javarosa/core/model/data/test/TimeDataTests.java
+++ b/src/test/java/org/javarosa/core/model/data/test/TimeDataTests.java
@@ -1,6 +1,7 @@
 package org.javarosa.core.model.data.test;
 
 import org.javarosa.core.model.data.TimeData;
+import org.javarosa.core.model.data.UncastData;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
@@ -66,4 +67,10 @@ public void testNullData() {
         assertTrue("TimeData failed to throw an exception when setting null data", exceptionThrown);
         assertTrue("TimeData overwrote existing value on incorrect input", data.getValue().equals(now));
     }
+
+    @Test
+    public void testIdentity() {
+        TimeData data = new TimeData().cast(new UncastData("10:00"));
+        assertEquals("10:00", data.getDisplayText());
+    }
 }