diff --git a/plugins/platforms/x11/standalone/screenedges_filter.cpp b/plugins/platforms/x11/standalone/screenedges_filter.cpp
--- a/plugins/platforms/x11/standalone/screenedges_filter.cpp
+++ b/plugins/platforms/x11/standalone/screenedges_filter.cpp
@@ -40,16 +40,16 @@
         const auto mouseEvent = reinterpret_cast<xcb_motion_notify_event_t*>(event);
         const QPoint rootPos(mouseEvent->root_x, mouseEvent->root_y);
         if (QWidget::mouseGrabber()) {
-            ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime()), true);
+            ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime(), Qt::UTC), true);
         } else {
-            ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(mouseEvent->time));
+            ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(mouseEvent->time, Qt::UTC));
         }
         // not filtered out
         break;
     }
     case XCB_ENTER_NOTIFY: {
         const auto enter = reinterpret_cast<xcb_enter_notify_event_t*>(event);
-        return ScreenEdges::self()->handleEnterNotifiy(enter->event, QPoint(enter->root_x, enter->root_y), QDateTime::fromMSecsSinceEpoch(enter->time));
+        return ScreenEdges::self()->handleEnterNotifiy(enter->event, QPoint(enter->root_x, enter->root_y), QDateTime::fromMSecsSinceEpoch(enter->time, Qt::UTC));
     }
     case XCB_CLIENT_MESSAGE: {
         const auto ce = reinterpret_cast<xcb_client_message_event_t*>(event);
diff --git a/screenedge.cpp b/screenedge.cpp
--- a/screenedge.cpp
+++ b/screenedge.cpp
@@ -1394,7 +1394,7 @@
             }
         }
         if (edge->geometry().contains(event->globalPos())) {
-            if (edge->check(event->globalPos(), QDateTime::fromMSecsSinceEpoch(event->timestamp()))) {
+            if (edge->check(event->globalPos(), QDateTime::fromMSecsSinceEpoch(event->timestamp(), Qt::UTC))) {
                 if (edge->client()) {
                     activatedForClient = true;
                 }
@@ -1404,7 +1404,7 @@
     if (activatedForClient) {
         for (auto it = m_edges.constBegin(); it != m_edges.constEnd(); ++it) {
             if ((*it)->client()) {
-                (*it)->markAsTriggered(event->globalPos(), QDateTime::fromMSecsSinceEpoch(event->timestamp()));
+                (*it)->markAsTriggered(event->globalPos(), QDateTime::fromMSecsSinceEpoch(event->timestamp(), Qt::UTC));
             }
         }
     }
@@ -1460,7 +1460,7 @@
         }
         if (edge->isReserved() && edge->window() == window) {
             updateXTime();
-            edge->check(point, QDateTime::fromMSecsSinceEpoch(xTime()), true);
+            edge->check(point, QDateTime::fromMSecsSinceEpoch(xTime(), Qt::UTC), true);
             return true;
         }
     }
diff --git a/tabbox/x11_filter.cpp b/tabbox/x11_filter.cpp
--- a/tabbox/x11_filter.cpp
+++ b/tabbox/x11_filter.cpp
@@ -101,7 +101,7 @@
     auto *mouseEvent = reinterpret_cast<xcb_motion_notify_event_t*>(event);
     const QPoint rootPos(mouseEvent->root_x, mouseEvent->root_y);
     // TODO: this should be in ScreenEdges directly
-    ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime()), true);
+    ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime(), Qt::UTC), true);
     xcb_allow_events(connection(), XCB_ALLOW_ASYNC_POINTER, XCB_CURRENT_TIME);
 }