This should be localized by geographic region rather than by language. For example, in the US the format should be MM/dd/yy for both English and Spanish speakers.
My suggestion would be for Telegram to use Android's Date & Time system settings to decide the correct formatting.
Applied
dd.MM.yyCho tak davno
14/8
Gena kakoyto,
Mar 16 at 07:57
Add Translation
Log In
Log in here to translate Telegram apps. Please enter your phone number in the international format and we will send a confirmation message to your account via Telegram.
My suggestion would be for Telegram to use Android's Date & Time system settings to decide the correct formatting.