diff --git a/addons/web/static/src/legacy/js/fields/basic_fields.js b/addons/web/static/src/legacy/js/fields/basic_fields.js
index c244adaa118..844cdf487a5 100644
--- a/addons/web/static/src/legacy/js/fields/basic_fields.js
+++ b/addons/web/static/src/legacy/js/fields/basic_fields.js
@@ -1001,7 +1001,9 @@ var FieldDate = InputField.extend({
             let value = this.$input.val();
             try {
                 value = this._parseValue(value);
-                value.add(-this.getSession().getTZOffset(value), "minutes");
+                if (this.field.type === "datetime") {
+                    value.add(-this.getSession().getTZOffset(value), "minutes");
+                }
             } catch (_err) {}
             await this._setValue(value);
             this._render();
diff --git a/addons/web/static/tests/legacy/fields/basic_fields_tests.js b/addons/web/static/tests/legacy/fields/basic_fields_tests.js
index b1f5ef2a24a..e31b5e428f8 100644
--- a/addons/web/static/tests/legacy/fields/basic_fields_tests.js
+++ b/addons/web/static/tests/legacy/fields/basic_fields_tests.js
@@ -4675,6 +4675,11 @@ QUnit.module('basic_fields', {
             viewOptions: {
                 mode: 'edit',
             },
+            session: {
+                getTZOffset: function () {
+                    return 120;
+                },
+            },
         });
 
         const year = (new Date()).getFullYear();