Step 1: Install this forge component.

Step 2: Reference it in your application.

Step 3: Call TimePickerSetLanguage client action to change the language of the time picker.

Parameters:

WidgetId -> Widget Id of the TimePicker.

Language -> DatePickerLanguage Identifier (You can reference this static entity from OutsSystems UI).

P.S: This client action is similar to DatePickerSetLanguage and MonthPickerSetLanguage client actions in OutSystems UI.