diff --git a/example/localTimeSystem/src/LocalTimeSystem.js b/example/localTimeSystem/src/LocalTimeSystem.js
index f8c2f28f86f..dd62fe15180 100644
--- a/example/localTimeSystem/src/LocalTimeSystem.js
+++ b/example/localTimeSystem/src/LocalTimeSystem.js
@@ -56,6 +56,10 @@ define([
         return this._formats;
     };
 
+    LocalTimeSystem.prototype.deltaFormat = function () {
+        return 'duration';
+    };
+
     LocalTimeSystem.prototype.tickSources = function () {
         return this._tickSources;
     };
diff --git a/platform/features/conductor-v2/conductor/bundle.js b/platform/features/conductor-v2/conductor/bundle.js
index 0cd433793d5..a6ab69b5818 100644
--- a/platform/features/conductor-v2/conductor/bundle.js
+++ b/platform/features/conductor-v2/conductor/bundle.js
@@ -24,6 +24,7 @@ define([
     "./src/ui/TimeConductorService",
     "./src/ui/TimeConductorController",
     "./src/ui/MCTConductorAxis",
+    "./src/ui/NumberFormat",
     "text!./res/templates/time-conductor.html",
     "text!./res/templates/mode-selector/mode-selector.html",
     "text!./res/templates/mode-selector/mode-menu.html",
@@ -32,6 +33,7 @@ define([
     TimeConductorService,
     TimeConductorController,
     MCTConductorAxis,
+    NumberFormat,
     timeConductorTemplate,
     modeSelectorTemplate,
     modeMenuTemplate,
@@ -99,6 +101,12 @@ define([
                     "key": "mode-menu",
                     "template": modeMenuTemplate
                 }
+            ],
+            "formats": [
+                {
+                    "key": "number",
+                    "implementation": NumberFormat
+                }
             ]
         }
     });
diff --git a/platform/features/conductor-v2/conductor/res/templates/time-conductor.html b/platform/features/conductor-v2/conductor/res/templates/time-conductor.html
index e044c6e8c04..5496844fa33 100644
--- a/platform/features/conductor-v2/conductor/res/templates/time-conductor.html
+++ b/platform/features/conductor-v2/conductor/res/templates/time-conductor.html
@@ -31,7 +31,7 @@
                             -
                         <mct-control key="'datetime-field'"
                                      structure="{
-                                        format: 'duration',
+                                        format: timeSystemModel.deltaFormat,
                                         validate: tcController.validation.validateStartDelta
                                      }"
                                      ng-model="formModel"
@@ -62,7 +62,7 @@
                             +
                         <mct-control key="'datetime-field'"
                                      structure="{
-                                        format: 'duration',
+                                        format: timeSystemModel.deltaFormat,
                                         validate: tcController.validation.validateEndDelta
                                      }"
                                      ng-model="formModel"
diff --git a/platform/features/conductor-v2/conductor/src/timeSystems/TimeSystem.js b/platform/features/conductor-v2/conductor/src/timeSystems/TimeSystem.js
index 3c838a345a7..71efc12933d 100644
--- a/platform/features/conductor-v2/conductor/src/timeSystems/TimeSystem.js
+++ b/platform/features/conductor-v2/conductor/src/timeSystems/TimeSystem.js
@@ -48,6 +48,23 @@ define([], function () {
         throw new Error('Not implemented');
     };
 
+    /**
+     * @typedef DeltaFormat
+     * @property {string} type the type of MctControl used to represent this
+     * field. Typically 'datetime-field' for UTC based dates, or 'textfield'
+     * otherwise
+     * @property {string} [format] An optional field specifying the
+     * Format to use for delta fields in this time system.
+     */
+    /**
+     * Specifies a format for deltas in this time system.
+     *
+     * @returns {DeltaFormat} a delta format specifier
+     */
+    TimeSystem.prototype.deltaFormat = function () {
+        throw new Error('Not implemented');
+    };
+
     /**
      * Returns the tick sources supported by this time system. Tick sources
      * are event generators that can be used to advance the time conductor
diff --git a/platform/features/conductor-v2/conductor/src/ui/NumberFormat.js b/platform/features/conductor-v2/conductor/src/ui/NumberFormat.js
new file mode 100644
index 00000000000..edc383bda9a
--- /dev/null
+++ b/platform/features/conductor-v2/conductor/src/ui/NumberFormat.js
@@ -0,0 +1,57 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2016, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+define([
+    'moment'
+], function (
+    moment
+) {
+
+    /**
+     * Formatter for basic numbers. Provides basic support for non-UTC
+     * numbering systems
+     *
+     * @implements {Format}
+     * @constructor
+     * @memberof platform/commonUI/formats
+     */
+    function NumberFormat() {
+    }
+
+    NumberFormat.prototype.format = function (value) {
+        if (isNaN(value)){
+            return '';
+        } else {
+            return '' + value;
+        }
+    };
+
+    NumberFormat.prototype.parse = function (text) {
+        return parseFloat(text);
+    };
+
+    NumberFormat.prototype.validate = function (text) {
+        return !isNaN(text);
+    };
+
+    return NumberFormat;
+});
diff --git a/platform/features/conductor-v2/conductor/src/ui/TimeConductorController.js b/platform/features/conductor-v2/conductor/src/ui/TimeConductorController.js
index d11b9dcaa34..b0ba5e0eee7 100644
--- a/platform/features/conductor-v2/conductor/src/ui/TimeConductorController.js
+++ b/platform/features/conductor-v2/conductor/src/ui/TimeConductorController.js
@@ -163,9 +163,9 @@ define(
             var mode = this.conductorService.mode(),
                 deltas = mode.deltas();
 
-            if (deltas !== undefined && this.validation.validateDeltas(formModel)) {
+            if (deltas !== undefined && this.validation.validateDeltas(formModel.startDelta, formModel.endDelta)) {
                 //Sychronize deltas between form and mode
-                mode.deltas({start: formModel.startDelta, end: formModel.endDelta});
+                mode.deltas({start: parseFloat(formModel.startDelta), end: parseFloat(formModel.endDelta)});
             }
         };
 
@@ -270,6 +270,7 @@ define(
             if (newTimeSystem && newTimeSystem !== this.$scope.timeSystemModel.selected) {
                 this.$scope.timeSystemModel.selected = newTimeSystem;
                 this.$scope.timeSystemModel.format = newTimeSystem.formats()[0];
+                this.$scope.timeSystemModel.deltaFormat = newTimeSystem.deltaFormat();
                 var mode = this.conductorService.mode();
                 mode.selectedTimeSystem(newTimeSystem);
                 this.setDeltasFromTimeSystem(newTimeSystem);
diff --git a/platform/features/conductor-v2/conductor/src/ui/TimeConductorValidation.js b/platform/features/conductor-v2/conductor/src/ui/TimeConductorValidation.js
index c22ee08e8ca..592cd310c59 100644
--- a/platform/features/conductor-v2/conductor/src/ui/TimeConductorValidation.js
+++ b/platform/features/conductor-v2/conductor/src/ui/TimeConductorValidation.js
@@ -54,11 +54,11 @@ define(
         };
 
         TimeConductorValidation.prototype.validateStartDelta = function (startDelta) {
-            return startDelta > 0;
+            return !isNaN(startDelta) && startDelta > 0;
         };
 
         TimeConductorValidation.prototype.validateEndDelta = function (endDelta) {
-            return endDelta >= 0;
+            return !isNaN(endDelta) && endDelta >= 0;
         };
 
         /**
@@ -68,10 +68,10 @@ define(
          * @param formModel
          * @returns {*}
          */
-        TimeConductorValidation.prototype.validateDeltas = function (formModel) {
+        TimeConductorValidation.prototype.validateDeltas = function (startDelta, endDelta) {
             // Validate that start Delta is some non-zero value, and that end
             // delta is zero or positive (ie. 'now' or some time in the future).
-            return this.validateStartDelta(formModel.startDelta) && this.validateEndDelta(formModel.endDelta);
+            return this.validateStartDelta(startDelta) && this.validateEndDelta(endDelta);
         };
 
         return TimeConductorValidation;
diff --git a/platform/features/conductor-v2/utcTimeSystem/src/UTCTimeSystem.js b/platform/features/conductor-v2/utcTimeSystem/src/UTCTimeSystem.js
index 7f92c841919..a968f1ca113 100644
--- a/platform/features/conductor-v2/utcTimeSystem/src/UTCTimeSystem.js
+++ b/platform/features/conductor-v2/utcTimeSystem/src/UTCTimeSystem.js
@@ -56,6 +56,10 @@ define([
         return this._formats;
     };
 
+    UTCTimeSystem.prototype.deltaFormat = function () {
+        return 'duration';
+    };
+
     UTCTimeSystem.prototype.tickSources = function () {
         return this._tickSources;
     };
diff --git a/platform/forms/res/templates/controls/textfield.html b/platform/forms/res/templates/controls/textfield.html
index 5afb3b28335..d79e1dd31a8 100644
--- a/platform/forms/res/templates/controls/textfield.html
+++ b/platform/forms/res/templates/controls/textfield.html
@@ -24,6 +24,7 @@
         <input type="text"
                ng-required="ngRequired"
                ng-model="ngModel[field]"
+               ng-blur="ngBlur()"
                ng-pattern="ngPattern"
                size="{{structure.size}}"
                name="mctControl">