diff --git a/apps/elapsed_t/ChangeLog b/apps/elapsed_t/ChangeLog
index 45cb47c9a..6a72c2590 100644
--- a/apps/elapsed_t/ChangeLog
+++ b/apps/elapsed_t/ChangeLog
@@ -1,2 +1,3 @@
 0.01: New App!
-0.02: Handle AM/PM time in the "set target" menu. Add yesterday/today/tomorrow when showing target date to improve readability.
\ No newline at end of file
+0.02: Handle AM/PM time in the "set target" menu. Add yesterday/today/tomorrow when showing target date to improve readability.
+0.03: Add option to set clock as default, handle DST in day/month/year mode
diff --git a/apps/elapsed_t/app.js b/apps/elapsed_t/app.js
index b38735a32..13fbca2cd 100644
--- a/apps/elapsed_t/app.js
+++ b/apps/elapsed_t/app.js
@@ -57,7 +57,7 @@ function writeSettings() {
 let inMenu = false;
 
 Bangle.on('touch', function (zone, e) {
-  if (!inMenu) {
+  if (!inMenu && e.y > 24) {
     if (drawTimeout) clearTimeout(drawTimeout);
     E.showMenu(menu);
     inMenu = true;
@@ -206,9 +206,25 @@ var menu = {
     setTarget(false);
     updateQueueMillis(settings.displaySeconds);
     draw();
+  },
+  'Set clock as default': function () {
+    setClockAsDefault();
+    E.showAlert("Elapsed Time was set as default").then(function() {
+      E.showMenu();
+      inMenu = false;
+      Bangle.setUI("clock");
+      draw();
+    });
   }
 };
 
+function setClockAsDefault(){
+  let storage = require('Storage');
+  let settings = storage.readJSON('setting.json',true)||{clock:null};
+  settings.clock = "elapsed_t.app.js";
+  storage.writeJSON('setting.json', settings);
+}
+
 function setTarget(set) {
   if (set) {
     target = new Date(
@@ -276,6 +292,10 @@ function updateQueueMillis(displaySeconds) {
 }
 
 Bangle.on('lock', function (on, reason) {
+  if (inMenu) { // if already in a menu, nothing to do
+    return;
+  }
+
   if (on) { // screen is locked
     temp_displaySeconds = false;
     updateQueueMillis(false);
@@ -326,7 +346,7 @@ function diffToTarget() {
     diff.M = end.getMonth() - start.getMonth();
     diff.D = end.getDate() - start.getDate();
     diff.hh = end.getHours() - start.getHours();
-    diff.mm = end.getMinutes() - start.getMinutes();
+    diff.mm = end.getMinutes() - start.getMinutes() + end.getTimezoneOffset() - start.getTimezoneOffset();
     diff.ss = end.getSeconds() - start.getSeconds();
 
     // Adjust negative differences
diff --git a/apps/elapsed_t/metadata.json b/apps/elapsed_t/metadata.json
index 7f8460e49..fa0674e0b 100644
--- a/apps/elapsed_t/metadata.json
+++ b/apps/elapsed_t/metadata.json
@@ -3,7 +3,7 @@
   "name": "Elapsed Time Clock",
   "shortName": "Elapsed Time",
   "type": "clock",
-  "version":"0.02",
+  "version":"0.03",
   "description": "A clock that calculates the time difference between now and any given target date.",
   "tags": "clock,tool",
   "supports": ["BANGLEJS2"],