diff --git a/addons/web/static/src/js/fields/basic_fields.js b/addons/web/static/src/js/fields/basic_fields.js
index 8c4e46e5ce6..8a2a238e6d8 100644
--- a/addons/web/static/src/js/fields/basic_fields.js
+++ b/addons/web/static/src/js/fields/basic_fields.js
@@ -682,6 +682,15 @@ var FieldDateRange = InputField.extend({
         }
         this._super.apply(this, arguments);
     },
+    /**
+     * Return the date written in the input, in UTC.
+     *
+     * @private
+     * @returns {Moment|false}
+     */
+    _getValue: function () {
+        return field_utils.parse[this.formatType](this.$input.val(), this.field, { timezone: true });
+    },
 
     //--------------------------------------------------------------------------
     // Private
diff --git a/addons/web/static/tests/fields/basic_fields_tests.js b/addons/web/static/tests/fields/basic_fields_tests.js
index 1564d478ee3..cd6ff8347de 100644
--- a/addons/web/static/tests/fields/basic_fields_tests.js
+++ b/addons/web/static/tests/fields/basic_fields_tests.js
@@ -3568,6 +3568,54 @@ QUnit.module('basic_fields', {
         form.destroy();
     });
 
+    QUnit.test('Datetime field manually input value should send utc value to server', async function (assert) {
+        assert.expect(4);
+
+        this.data.partner.fields.datetime_end = { string: 'Datetime End', type: 'datetime' };
+        this.data.partner.records[0].datetime_end = '2017-03-13 00:00:00';
+
+        const form = await createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch: `
+                <form>
+                    <field name="datetime" widget="daterange" options="{'related_end_date': 'datetime_end'}"/>
+                    <field name="datetime_end" widget="daterange" options="{'related_start_date': 'datetime'}"/>
+                </form>`,
+            res_id: 1,
+            session: {
+                getTZOffset: function () {
+                    return 330;
+                },
+            },
+            mockRPC: function (route, args) {
+                if (args.method === 'write') {
+                    assert.deepEqual(args.args[1], { datetime: '2017-02-08 06:00:00' });
+                }
+                return this._super(...arguments);
+            },
+        });
+
+        // check date display correctly in readonly
+        assert.strictEqual(form.$('.o_field_date_range:first').text(), '02/08/2017 15:30:00',
+            "the start date should be correctly displayed in readonly");
+        assert.strictEqual(form.$('.o_field_date_range:last').text(), '03/13/2017 05:30:00',
+            "the end date should be correctly displayed in readonly");
+
+        // edit form
+        await testUtils.form.clickEdit(form);
+        // update input for Datetime
+        await testUtils.fields.editInput(form.$('.o_field_date_range:first'), '02/08/2017 11:30:00');
+        // save form
+        await testUtils.form.clickSave(form);
+
+        assert.strictEqual(form.$('.o_field_date_range:first').text(), '02/08/2017 11:30:00',
+            "the start date should be correctly displayed in readonly after manual update");
+
+        form.destroy();
+    });
+
     QUnit.module('FieldDate');
 
     QUnit.test('date field: toggle datepicker [REQUIRE FOCUS]', async function (assert) {