Wouldn't it be more obvious to first ask yourself the question: what requirements do I have to make of the date picker to meet your application needs (which we don't know)?
With that answer you have found the goal and on that basis you can look for the means (the date picker) that (most) meets your requirements. If your goal is multilingual use, it would be nice if this could be set up simply, but also how easy can I process the chosen date (for different date formats) in my program?
Based on your answers you can then specifically choose a date picker. If you still have specific application questions, do not hesitate to ask them here with a short program example together with a specific question.