diff --git a/ui/app/models/allocation.js b/ui/app/models/allocation.js
index 7d3a680a23ae..6cf164a41e88 100644
--- a/ui/app/models/allocation.js
+++ b/ui/app/models/allocation.js
@@ -27,6 +27,7 @@ export default Model.extend({
   taskGroupName: attr('string'),
   resources: fragment('resources'),
   modifyIndex: attr('number'),
+  modifyTime: attr('date'),
   jobVersion: attr('number'),
 
   // TEMPORARY: https://github.com/emberjs/data/issues/5209
diff --git a/ui/app/serializers/allocation.js b/ui/app/serializers/allocation.js
index 32722fc50598..33cb3ebf5ad0 100644
--- a/ui/app/serializers/allocation.js
+++ b/ui/app/serializers/allocation.js
@@ -35,6 +35,9 @@ export default ApplicationSerializer.extend({
     // TEMPORARY: https://github.com/emberjs/data/issues/5209
     hash.OriginalJobId = hash.JobID;
 
+    hash.ModifyTimeNanos = hash.ModifyTime % 1000000;
+    hash.ModifyTime = Math.floor(hash.ModifyTime / 1000000);
+
     return this._super(typeHash, hash);
   },
 });
diff --git a/ui/app/serializers/task-event.js b/ui/app/serializers/task-event.js
index d4d30ded6216..b5b7b0ce6790 100644
--- a/ui/app/serializers/task-event.js
+++ b/ui/app/serializers/task-event.js
@@ -6,8 +6,8 @@ export default ApplicationSerializer.extend({
     // only understand time to the millisecond precision. So store
     // the time (precise to ms) as a date, and store the remaining ns
     // as a number to deal with when it comes up.
-    hash.Time = Math.floor(hash.Time / 1000000);
     hash.TimeNanos = hash.Time % 1000000;
+    hash.Time = Math.floor(hash.Time / 1000000);
 
     return this._super(typeHash, hash);
   },
diff --git a/ui/app/templates/components/allocation-row.hbs b/ui/app/templates/components/allocation-row.hbs
index d61032cc3de2..0820dfeb55e5 100644
--- a/ui/app/templates/components/allocation-row.hbs
+++ b/ui/app/templates/components/allocation-row.hbs
@@ -3,7 +3,7 @@
     {{allocation.shortId}}
   {{/link-to}}
 </td>
-<td>{{allocation.modifyIndex}}</td>
+<td>{{moment-format allocation.modifyTime "MM/DD HH:mm:ss"}}</td>
 <td>{{allocation.name}}</td>
 <td>
   <span class="color-swatch {{allocation.clientStatus}}" /> {{allocation.clientStatus}}
diff --git a/ui/mirage/factories/allocation.js b/ui/mirage/factories/allocation.js
index 1a19e4637ab2..161f138e6eaf 100644
--- a/ui/mirage/factories/allocation.js
+++ b/ui/mirage/factories/allocation.js
@@ -5,6 +5,7 @@ import { provide, pickOne } from '../utils';
 const UUIDS = provide(100, faker.random.uuid.bind(faker.random));
 const CLIENT_STATUSES = ['pending', 'running', 'complete', 'failed', 'lost'];
 const DESIRED_STATUSES = ['run', 'stop', 'evict'];
+const REF_TIME = new Date();
 
 export default Factory.extend({
   id: i => (i >= 100 ? `${UUIDS[i % 100]}-${i}` : UUIDS[i]),
@@ -12,6 +13,8 @@ export default Factory.extend({
   modifyIndex: () => faker.random.number({ min: 10, max: 2000 }),
   jobVersion: () => faker.random.number(10),
 
+  modifyTime: () => faker.date.past(2 / 365, REF_TIME) * 1000000,
+
   clientStatus: faker.list.random(...CLIENT_STATUSES),
   desiredStatus: faker.list.random(...DESIRED_STATUSES),
 
diff --git a/ui/tests/acceptance/client-detail-test.js b/ui/tests/acceptance/client-detail-test.js
index 993277b8e1b2..6cc1743ea023 100644
--- a/ui/tests/acceptance/client-detail-test.js
+++ b/ui/tests/acceptance/client-detail-test.js
@@ -3,6 +3,7 @@ import { click, find, findAll, currentURL, visit } from 'ember-native-dom-helper
 import { test } from 'qunit';
 import moduleForAcceptance from 'nomad-ui/tests/helpers/module-for-acceptance';
 import { formatBytes } from 'nomad-ui/helpers/format-bytes';
+import moment from 'moment';
 
 const { $ } = Ember;
 
@@ -127,8 +128,8 @@ test('each allocation should have high-level details for the allocation', functi
         .find('td:eq(1)')
         .text()
         .trim(),
-      allocation.modifyIndex,
-      'Allocation modify index'
+      moment(allocation.modifyTime / 1000000).format('MM/DD HH:mm:ss'),
+      'Allocation modify time'
     );
     assert.equal(
       allocationRow
diff --git a/ui/tests/acceptance/task-group-detail-test.js b/ui/tests/acceptance/task-group-detail-test.js
index 46de34968cbf..e729e1300358 100644
--- a/ui/tests/acceptance/task-group-detail-test.js
+++ b/ui/tests/acceptance/task-group-detail-test.js
@@ -3,6 +3,7 @@ import { click, find, findAll, fillIn, currentURL, visit } from 'ember-native-do
 import { test } from 'qunit';
 import moduleForAcceptance from 'nomad-ui/tests/helpers/module-for-acceptance';
 import { formatBytes } from 'nomad-ui/helpers/format-bytes';
+import moment from 'moment';
 
 const { $ } = Ember;
 
@@ -157,8 +158,8 @@ test('each allocation should show basic information about the allocation', funct
         .find('td:eq(1)')
         .text()
         .trim(),
-      allocation.modifyIndex,
-      'Allocation modify index'
+      moment(allocation.modifyTime / 1000000).format('MM/DD HH:mm:ss'),
+      'Allocation modify time'
     );
     assert.equal(
       allocationRow