localized datetime formats

[tiorip]

Checklist

• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs), in the README and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report may get dismissed otherwise.
• This issue contains only one feature request.
• I optionally donated to support the Fossify mission.

Which apps should have this feature?

No response

Feature description

japanese locale example:

Why do you want this feature?

proper localization

Additional information

https://en.wikipedia.org/wiki/Date_and_time_notation_in_Japan
https://developer.android.com/reference/kotlin/android/text/format/DateFormat#getbestdatetimepattern
https://developer.android.com/reference/kotlin/android/icu/text/DateFormat

[Aga-C]

Calendar's case is different from the dialog, and it's already raised: FossifyOrg/Calendar#33.

The dialog, as you've shown, should be refined. However, if someone decides to fix it, it should be ensured if it works properly for every locale.