diff --git a/test/intl402/DurationFormat/prototype/format/style-digital-largenumber-en.js b/test/intl402/DurationFormat/prototype/format/style-digital-largenumber-en.js
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+// Copyright 2024 Google Inc.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-formatnumerichours
+description: >
+  Test to ensure that useGrouping is set to off for hours, minutes, and seconds under digital style.
+
+info: |
+  1.1.9 FormatNumericHours ( durationFormat, hoursValue, signDisplayed )
+  ...
+  9. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+  1.1.10 FormatNumericMinutes ( durationFormat, minutesValue, hoursDisplayed, signDisplayed )
+  ...
+  10. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+  1.1.11 FormatNumericSeconds ( durationFormat, secondsValue, minutesDisplayed, signDisplayed )
+  ...
+  9. Perform ! CreateDataPropertyOrThrow(nfOpts, "useGrouping", false).
+
+locale: [en]
+features: [Intl.DurationFormat]
+---*/
+
+const df = new Intl.DurationFormat("en", {style: "digital"});
+
+assert.sameValue(df.format({hours: 1234567, minutes: 20, seconds: 45}),
+    "1234567:20:45", `format in digit set useGrouping to false`);
+
+assert.sameValue(df.format({hours: 12, minutes: 1234567, seconds: 20}),
+    "12:1234567:20", `format in digit set useGrouping to false`);
+
+assert.sameValue(df.format({hours: 12, minutes: 34, seconds: 1234567}),
+    "12:34:1234567", `format in digit set useGrouping to false`);
+
+assert.sameValue(df.format({hours: 12, minutes: 34, seconds: 56, milliseconds: 1234567}),
+    "12:34:1290.567", `format in digit set useGrouping to false`);
+
+assert.sameValue(df.format({days: 1234567, hours: 3, minutes: 20, seconds: 45}),
+    "1,234,567 days, 3:20:45", `useGrouping set to false applies to time units but not days`);
+
+assert.sameValue(df.format({days: 1234567, hours: 2345678, minutes: 3456789, seconds: 4567890}),
+    "1,234,567 days, 2345678:3456789:4567890", `useGrouping set to false applies to time units but not days`);