diff --git a/src/components/views/rooms/EventTile.js b/src/components/views/rooms/EventTile.js
index e2e203f680..44c4051995 100644
--- a/src/components/views/rooms/EventTile.js
+++ b/src/components/views/rooms/EventTile.js
@@ -295,16 +295,6 @@ module.exports = WithMatrixClient(React.createClass({
         const receiptOffset = 15;
         let left = 0;
 
-        // It's possible that the receipt was sent several days AFTER the event.
-        // If it is, we want to display the complete date along with the HH:MM:SS,
-        // rather than just HH:MM:SS.
-        let dayAfterEvent = new Date(this.props.mxEvent.getTs());
-        dayAfterEvent.setDate(dayAfterEvent.getDate() + 1);
-        dayAfterEvent.setHours(0);
-        dayAfterEvent.setMinutes(0);
-        dayAfterEvent.setSeconds(0);
-        let dayAfterEventTime = dayAfterEvent.getTime();
-
         var receipts = this.props.readReceipts || [];
         for (var i = 0; i < receipts.length; ++i) {
             var receipt = receipts[i];
@@ -340,7 +330,6 @@ module.exports = WithMatrixClient(React.createClass({
                     suppressAnimation={this._suppressReadReceiptAnimation}
                     onClick={this.toggleAllReadAvatars}
                     timestamp={receipt.ts}
-                    showFullTimestamp={receipt.ts >= dayAfterEventTime}
                 />
             );
         }
diff --git a/src/components/views/rooms/ReadReceiptMarker.js b/src/components/views/rooms/ReadReceiptMarker.js
index 230efbd1ea..0911d50c3e 100644
--- a/src/components/views/rooms/ReadReceiptMarker.js
+++ b/src/components/views/rooms/ReadReceiptMarker.js
@@ -24,6 +24,8 @@ var sdk = require('../../../index');
 var Velociraptor = require('../../../Velociraptor');
 require('../../../VelocityBounce');
 
+import DateUtils from '../../../DateUtils';
+
 var bounce = false;
 try {
     if (global.localStorage) {
@@ -63,9 +65,6 @@ module.exports = React.createClass({
 
         // Timestamp when the receipt was read
         timestamp: React.PropTypes.number,
-
-        // True to show the full date/time rather than just the time
-        showFullTimestamp: React.PropTypes.bool,
     },
 
     getDefaultProps: function() {
@@ -170,16 +169,8 @@ module.exports = React.createClass({
 
         let title;
         if (this.props.timestamp) {
-            const prefix = "Seen by " + this.props.member.userId + " at ";
-            let ts = new Date(this.props.timestamp);
-            if (this.props.showFullTimestamp) {
-                // "15/12/2016, 7:05:45 PM (@alice:matrix.org)"
-                title = prefix + ts.toLocaleString();
-            }
-            else {
-                // "7:05:45 PM (@alice:matrix.org)"
-                title = prefix + ts.toLocaleTimeString();
-            }
+            title = "Seen by " + this.props.member.userId + " at " + 
+                    DateUtils.formatDate(new Date(this.props.timestamp));
         }
 
         return (