diff --git a/app/helpers/gh-format-post-time.js b/app/helpers/gh-format-post-time.js
index 55e89b438..a8fe88a2a 100644
--- a/app/helpers/gh-format-post-time.js
+++ b/app/helpers/gh-format-post-time.js
@@ -3,47 +3,50 @@ import moment from 'moment';
 import {assert} from '@ember/debug';
 import {inject as service} from '@ember/service';
 
-export default Helper.extend({
-    settings: service(),
+export function formatPostTime(timeago, {timezone = 'ect/UTC', draft, scheduled, published}) {
+    if (draft) {
+        // No special handling for drafts, just use moment.from
+        return moment(timeago).from(moment.utc());
+    }
 
-    compute([timeago], {draft, scheduled, published}) {
+    let time = moment.tz(timeago, timezone);
+    let now = moment.tz(moment.utc(), timezone);
+
+    // If not a draft and post was published <= 12 hours ago
+    // or scheduled to be published <= 12 hours from now, use moment.from
+    if (Math.abs(now.diff(time, 'hours')) <= 12) {
+        return time.from(now);
+    }
+
+    // If scheduled for or published on the same day, render the time + Today
+    if (time.isSame(now, 'day')) {
+        let formatted = time.format('HH:mm [Today]');
+        return scheduled ? `at ${formatted}` : formatted;
+    }
+
+    // if published yesterday, render time + yesterday
+    // This check comes before scheduled, because there are likely to be more published
+    // posts than scheduled posts.
+    if (published && time.isSame(now.clone().subtract(1, 'days').startOf('day'), 'day')) {
+        return time.format('HH:mm [Yesterday]');
+    }
+
+    // if scheduled for tomorrow, render the time + Tomorrow
+    if (scheduled && time.isSame(now.clone().add(1, 'days').startOf('day'), 'day')) {
+        return time.format('[at] HH:mm [Tomorrow]');
+    }
+
+    // Else, render just the date if published, or the time & date if scheduled
+    let format = scheduled ? '[at] HH:mm [on] DD MMM YYYY' : 'DD MMM YYYY';
+    return time.format(format);
+}
+
+export default class GhFormatPostTimeHelper extends Helper {
+    @service settings;
+
+    compute([timeago], options) {
         assert('You must pass a time to the gh-format-post-time helper', timeago);
 
-        if (draft) {
-            // No special handling for drafts, just use moment.from
-            return moment(timeago).from(moment.utc());
-        }
-
-        let timezone = this.get('settings.timezone');
-        let time = moment.tz(timeago, timezone);
-        let now = moment.tz(moment.utc(), timezone);
-
-        // If not a draft and post was published <= 15 minutes ago
-        // or scheduled to be published <= 15 minutes from now, use moment.from
-        if (Math.abs(now.diff(time, 'minutes')) <= 15) {
-            return time.from(now);
-        }
-
-        // If scheduled for or published on the same day, render the time + Today
-        if (time.isSame(now, 'day')) {
-            let formatted = time.format('HH:mm [Today]');
-            return scheduled ? `at ${formatted}` : formatted;
-        }
-
-        // if published yesterday, render time + yesterday
-        // This check comes before scheduled, because there are likely to be more published
-        // posts than scheduled posts.
-        if (published && time.isSame(now.clone().subtract(1, 'days').startOf('day'), 'day')) {
-            return time.format('HH:mm [Yesterday]');
-        }
-
-        // if scheduled for tomorrow, render the time + Tomorrow
-        if (scheduled && time.isSame(now.clone().add(1, 'days').startOf('day'), 'day')) {
-            return time.format('[at] HH:mm [Tomorrow]');
-        }
-
-        // Else, render just the date if published, or the time & date if scheduled
-        let format = scheduled ? '[at] HH:mm [on] DD MMM YYYY' : 'DD MMM YYYY';
-        return time.format(format);
+        return formatPostTime(timeago, Object.assign({}, options, {timezone: this.settings.get('timezone')}));
     }
-});
+}