5 files changed, 17 insertions, 0 deletions
diff --git a/web/app/model/Server.js b/web/app/model/Server.js
index 9b4b5b2b6..796ff58d6 100644
--- a/web/app/model/Server.js
+++ b/web/app/model/Server.js
@@ -54,6 +54,9 @@ Ext.define('Traccar.model.Server', {
     }, {
         name: 'zoom',
         type: 'int'
+    }, {
+        name: 'twelveHourFormat',
+        type: 'boolean'
     }],
 
     proxy: {
diff --git a/web/app/model/User.js b/web/app/model/User.js
index b00918bc8..237a4d269 100644
--- a/web/app/model/User.js
+++ b/web/app/model/User.js
@@ -54,6 +54,9 @@ Ext.define('Traccar.model.User', {
     }, {
         name: 'zoom',
         type: 'int'
+    }, {
+        name: 'twelveHourFormat',
+        type: 'boolean'
     }],
 
     proxy: {
diff --git a/web/app/view/ServerDialog.js b/web/app/view/ServerDialog.js
index 9fbbed920..67f3a7ab2 100644
--- a/web/app/view/ServerDialog.js
+++ b/web/app/view/ServerDialog.js
@@ -79,6 +79,11 @@ Ext.define('Traccar.view.ServerDialog', {
             xtype: 'numberfield',
             name: 'zoom',
             fieldLabel: Strings.serverZoom
+        }, {
+            xtype: 'checkboxfield',
+            name: 'twelveHourFormat',
+            fieldLabel: Strings.settingsTwelveHourFormat,
+            allowBlank: false
         }]
     }
 });
diff --git a/web/app/view/UserDialog.js b/web/app/view/UserDialog.js
index c1ed2fece..d0e8bda52 100644
--- a/web/app/view/UserDialog.js
+++ b/web/app/view/UserDialog.js
@@ -84,6 +84,11 @@ Ext.define('Traccar.view.UserDialog', {
             xtype: 'numberfield',
             name: 'zoom',
             fieldLabel: Strings.serverZoom
+        }, {
+            xtype: 'checkboxfield',
+            name: 'twelveHourFormat',
+            fieldLabel: Strings.settingsTwelveHourFormat,
+            allowBlank: false
         }]
     }
 });
diff --git a/web/l10n/en.json b/web/l10n/en.json
index b0ea6ad26..4fb72c670 100644
--- a/web/l10n/en.json
+++ b/web/l10n/en.json
@@ -44,6 +44,7 @@
     "settingsUsers": "Users",
     "settingsDistanceUnit": "Distance",
     "settingsSpeedUnit": "Speed",
+    "settingsTwelveHourFormat": "12-hour Format",
     "reportTitle": "Reports",
     "reportDevice": "Device",
     "reportFrom": "From",